131406456 has 32 divisors (see below), whose sum is σ = 328798800. Its totient is φ = 43764480.

The previous prime is 131406449. The next prime is 131406461. The reversal of 131406456 is 654604131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48826 + ... + 51446.

Almost surely, 2^131406456 is an apocalyptic number.

It is an amenable number.

131406456 is an abundant number, since it is smaller than the sum of its proper divisors (197392344).

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

131406456 is a wasteful number, since it uses less digits than its factorization.

131406456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719 (or 4715 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 131406456 is about 11463.2655033372. The cubic root of 131406456 is about 508.4000300434.

The spelling of 131406456 in words is "one hundred thirty-one million, four hundred six thousand, four hundred fifty-six".