131056580 has 12 divisors (see below), whose sum is σ = 275218860. Its totient is φ = 52422624.

The previous prime is 131056579. The next prime is 131056591. The reversal of 131056580 is 85650131.

It can be written as a sum of positive squares in 2 ways, for example, as 61434244 + 69622336 = 7838^2 + 8344^2 .

It is a super-2 number, since 2×131056580² = 34351654322592800, which contains 22 as substring.

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, 3276395 + ... + 3276434.

It is an arithmetic number, because the mean of its divisors is an integer number (22934905).

Almost surely, 2^131056580 is an apocalyptic number.

131056580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131056580 is an abundant number, since it is smaller than the sum of its proper divisors (144162280).

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

131056580 is a wasteful number, since it uses less digits than its factorization.

131056580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552838 (or 6552836 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 131056580 is about 11447.9945842056. The cubic root of 131056580 is about 507.9484158256.

The spelling of 131056580 in words is "one hundred thirty-one million, fifty-six thousand, five hundred eighty".