131588568 has 48 divisors (see below), whose sum is σ = 377353080. Its totient is φ = 41282304.

The previous prime is 131588549. The next prime is 131588581. The reversal of 131588568 is 865885131.

131588568 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 88 + 568 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52530 + ... + 54977.

Almost surely, 2^131588568 is an apocalyptic number.

131588568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

131588568 is an abundant number, since it is smaller than the sum of its proper divisors (245764512).

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

131588568 is a wasteful number, since it uses less digits than its factorization.

131588568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107536 (or 107529 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 131588568 is about 11471.2060394712. The cubic root of 131588568 is about 508.6347800738.

The spelling of 131588568 in words is "one hundred thirty-one million, five hundred eighty-eight thousand, five hundred sixty-eight".