131363504 has 20 divisors (see below), whose sum is σ = 263294160. Its totient is φ = 63416640.

The previous prime is 131363501. The next prime is 131363537. The reversal of 131363504 is 405363131.

It is not an unprimeable number, because it can be changed into a prime (131363501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141092 + ... + 142019.

It is an arithmetic number, because the mean of its divisors is an integer number (13164708).

Almost surely, 2^131363504 is an apocalyptic number.

It is an amenable number.

131363504 is an abundant number, since it is smaller than the sum of its proper divisors (131930656).

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

131363504 is a wasteful number, since it uses less digits than its factorization.

131363504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283148 (or 283142 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 131363504 is about 11461.3918875501. The cubic root of 131363504 is about 508.3446315026.

The spelling of 131363504 in words is "one hundred thirty-one million, three hundred sixty-three thousand, five hundred four".