130312580 has 12 divisors (see below), whose sum is σ = 273656460. Its totient is φ = 52125024.

The previous prime is 130312577. The next prime is 130312591. The reversal of 130312580 is 85213031.

It can be written as a sum of positive squares in 2 ways, for example, as 79959364 + 50353216 = 8942^2 + 7096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3257795 + ... + 3257834.

It is an arithmetic number, because the mean of its divisors is an integer number (22804705).

Almost surely, 2^130312580 is an apocalyptic number.

130312580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130312580 is an abundant number, since it is smaller than the sum of its proper divisors (143343880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130312580 is a wasteful number, since it uses less digits than its factorization.

130312580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515638 (or 6515636 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 130312580 is about 11415.4535608534. The cubic root of 130312580 is about 506.9853940630.

The spelling of 130312580 in words is "one hundred thirty million, three hundred twelve thousand, five hundred eighty".