131508356 has 36 divisors (see below), whose sum is σ = 268376976. Its totient is φ = 56221200.

The previous prime is 131508353. The next prime is 131508427. The reversal of 131508356 is 653805131.

It is not an unprimeable number, because it can be changed into a prime (131508353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134951 + ... + 135921.

It is an arithmetic number, because the mean of its divisors is an integer number (7454916).

Almost surely, 2^131508356 is an apocalyptic number.

It is an amenable number.

131508356 is an abundant number, since it is smaller than the sum of its proper divisors (136868620).

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

131508356 is a wasteful number, since it uses less digits than its factorization.

131508356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 131508356 is about 11467.7092743058. The cubic root of 131508356 is about 508.5314101377.

The spelling of 131508356 in words is "one hundred thirty-one million, five hundred eight thousand, three hundred fifty-six".