131165456 has 20 divisors (see below), whose sum is σ = 254312592. Its totient is φ = 65536416.

The previous prime is 131165429. The next prime is 131165459. The reversal of 131165456 is 654561131.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (131165459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37811 + ... + 41133.

Almost surely, 2^131165456 is an apocalyptic number.

131165456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131165456 is a deficient number, since it is larger than the sum of its proper divisors (123147136).

131165456 is a wasteful number, since it uses less digits than its factorization.

131165456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798 (or 5792 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 131165456 is about 11452.7488403440. The cubic root of 131165456 is about 508.0890372383.

The spelling of 131165456 in words is "one hundred thirty-one million, one hundred sixty-five thousand, four hundred fifty-six".