131290924 has 12 divisors (see below), whose sum is σ = 229947984. Its totient is φ = 65591504.

The previous prime is 131290919. The next prime is 131290927. The reversal of 131290924 is 429092131.

It is not an unprimeable number, because it can be changed into a prime (131290927) 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, 7744 + ... + 17959.

It is an arithmetic number, because the mean of its divisors is an integer number (19162332).

Almost surely, 2^131290924 is an apocalyptic number.

It is an amenable number.

131290924 is a deficient number, since it is larger than the sum of its proper divisors (98657060).

131290924 is a wasteful number, since it uses less digits than its factorization.

131290924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26984 (or 26982 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 131290924 is about 11458.2251679743. The cubic root of 131290924 is about 508.2509919720.

The spelling of 131290924 in words is "one hundred thirty-one million, two hundred ninety thousand, nine hundred twenty-four".