131160402 has 12 divisors (see below), whose sum is σ = 284180910. Its totient is φ = 43720128.

The previous prime is 131160397. The next prime is 131160451. The reversal of 131160402 is 204061131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 127035441 + 4124961 = 11271^2 + 2031^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7286689 = 131160402 / (1 + 3 + 1 + 1 + 6 + 0 + 4 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3643327 + ... + 3643362.

Almost surely, 2^131160402 is an apocalyptic number.

131160402 is an abundant number, since it is smaller than the sum of its proper divisors (153020508).

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

131160402 is a wasteful number, since it uses less digits than its factorization.

131160402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286697 (or 7286694 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 131160402 is about 11452.5281924997. The cubic root of 131160402 is about 508.0825113458.

The spelling of 131160402 in words is "one hundred thirty-one million, one hundred sixty thousand, four hundred two".