131873456 has 40 divisors (see below), whose sum is σ = 300178704. Its totient is φ = 55330560.

The previous prime is 131873453. The next prime is 131873479. The reversal of 131873456 is 654378131.

It is not an unprimeable number, because it can be changed into a prime (131873453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26531 + ... + 31106.

Almost surely, 2^131873456 is an apocalyptic number.

131873456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131873456 is an abundant number, since it is smaller than the sum of its proper divisors (168305248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131873456 is a wasteful number, since it uses less digits than its factorization.

131873456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57669 (or 57663 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 131873456 is about 11483.6168518459. The cubic root of 131873456 is about 509.0015786520.

The spelling of 131873456 in words is "one hundred thirty-one million, eight hundred seventy-three thousand, four hundred fifty-six".