131699504 has 10 divisors (see below), whose sum is σ = 255167820. Its totient is φ = 65849744.

The previous prime is 131699489. The next prime is 131699521. The reversal of 131699504 is 405996131.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4115594 + ... + 4115625.

It is an arithmetic number, because the mean of its divisors is an integer number (25516782).

Almost surely, 2^131699504 is an apocalyptic number.

It is an amenable number.

131699504 is a deficient number, since it is larger than the sum of its proper divisors (123468316).

131699504 is an equidigital number, since it uses as much as digits as its factorization.

131699504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231227 (or 8231221 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 131699504 is about 11476.0404321351. The cubic root of 131699504 is about 508.7776751079. Note that the first 3 decimals are identical.

The spelling of 131699504 in words is "one hundred thirty-one million, six hundred ninety-nine thousand, five hundred four".