131375625 has 20 divisors (see below), whose sum is σ = 218892432. Its totient is φ = 70066000.

The previous prime is 131375617. The next prime is 131375627. The reversal of 131375625 is 526573131.

It is not a de Polignac number, because 131375625 - 2³ = 131375617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131375627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33159 + ... + 36908.

Almost surely, 2^131375625 is an apocalyptic number.

131375625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131375625 is a deficient number, since it is larger than the sum of its proper divisors (87516807).

131375625 is an frugal number, since it uses more digits than its factorization.

131375625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70090 (or 70075 counting only the distinct ones).

The product of its digits is 18900, while the sum is 33.

The square root of 131375625 is about 11461.9206505716. The cubic root of 131375625 is about 508.3602661235.

The spelling of 131375625 in words is "one hundred thirty-one million, three hundred seventy-five thousand, six hundred twenty-five".