131963337 has 24 divisors (see below), whose sum is σ = 215648160. Its totient is φ = 79976160.

The previous prime is 131963329. The next prime is 131963339. The reversal of 131963337 is 733369131.

131963337 is a `hidden beast` number, since 1 + 3 + 19 + 633 + 3 + 7 = 666.

It is not a de Polignac number, because 131963337 - 2³ = 131963329 is a prime.

It is a hoax number, since the sum of its digits (36) 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 (131963339) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 22012 + ... + 27357.

It is an arithmetic number, because the mean of its divisors is an integer number (8985340).

Almost surely, 2^131963337 is an apocalyptic number.

It is an amenable number.

131963337 is a deficient number, since it is larger than the sum of its proper divisors (83684823).

131963337 is an equidigital number, since it uses as much as digits as its factorization.

131963337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49395 (or 49383 counting only the distinct ones).

The product of its digits is 30618, while the sum is 36.

The square root of 131963337 is about 11487.5296299944. The cubic root of 131963337 is about 509.1171924694.

The spelling of 131963337 in words is "one hundred thirty-one million, nine hundred sixty-three thousand, three hundred thirty-seven".