This year's "May Day" Golden Week * * * received tourists130.5 million person-times, and the writing was _ _ _ _ _; A two-digit decimal number is approximated as 5.8.

(1)130.5 million, and this number is written as130.5 million;

(2) The maximum value of two decimal places is the number on the percentile, and the number to be discarded is: 1, 2,3,4, where 4 is the largest, so this number is 5.84;

(3) The smallest of the two decimal places is: the number on the percentile goes into one, and the number that goes into one is: 5, 6, 7, 8 and 9, where 5 is the smallest, and the percentile goes into one. The decimal place was originally 8- 1=7, so this number is 5.75;

So the answers are: 130500000, 5.84, 5.75.