131398925 has 48 divisors (see below), whose sum is σ = 196273152. Its totient is φ = 85363200.

The previous prime is 131398907. The next prime is 131398991. The reversal of 131398925 is 529893131.

It is not a de Polignac number, because 131398925 - 2¹⁴ = 131382541 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 287297 + ... + 287753.

It is an arithmetic number, because the mean of its divisors is an integer number (4089024).

Almost surely, 2^131398925 is an apocalyptic number.

It is an amenable number.

131398925 is a deficient number, since it is larger than the sum of its proper divisors (64874227).

131398925 is a wasteful number, since it uses less digits than its factorization.

131398925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 553 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 131398925 is about 11462.9370145700. The cubic root of 131398925 is about 508.3903175988.

The spelling of 131398925 in words is "one hundred thirty-one million, three hundred ninety-eight thousand, nine hundred twenty-five".