131620924 has 6 divisors (see below), whose sum is σ = 230336624. Its totient is φ = 65810460.

The previous prime is 131620901. The next prime is 131620933. The reversal of 131620924 is 429026131.

It is a super-2 number, since 2×131620924² = 34648135269227552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131620892 and 131620901.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16452612 + ... + 16452619.

Almost surely, 2^131620924 is an apocalyptic number.

It is an amenable number.

131620924 is a deficient number, since it is larger than the sum of its proper divisors (98715700).

131620924 is a wasteful number, since it uses less digits than its factorization.

131620924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32905235 (or 32905233 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 131620924 is about 11472.6162665715. The cubic root of 131620924 is about 508.6764656561.

It can be divided in two parts, 131 and 620924, that added together give a triangular number (621055 = T₁₁₁₄).

The spelling of 131620924 in words is "one hundred thirty-one million, six hundred twenty thousand, nine hundred twenty-four".