131513925 has 12 divisors (see below), whose sum is σ = 217436480. Its totient is φ = 70140720.

The previous prime is 131513911. The next prime is 131513959. The reversal of 131513925 is 529315131.

It is not a de Polignac number, because 131513925 - 2²⁴ = 114736709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131513892 and 131513901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 876685 + ... + 876834.

Almost surely, 2^131513925 is an apocalyptic number.

131513925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131513925 is a deficient number, since it is larger than the sum of its proper divisors (85922555).

131513925 is a wasteful number, since it uses less digits than its factorization.

131513925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753532 (or 1753527 counting only the distinct ones).

The product of its digits is 4050, while the sum is 30.

The square root of 131513925 is about 11467.9520839599. The cubic root of 131513925 is about 508.5385883164.

The spelling of 131513925 in words is "one hundred thirty-one million, five hundred thirteen thousand, nine hundred twenty-five".