131298168 has 32 divisors (see below), whose sum is σ = 342518400. Its totient is φ = 41863008.

The previous prime is 131298161. The next prime is 131298173. The reversal of 131298168 is 861892131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131298161) 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 7 ways as a sum of consecutive naturals, for example, 118378 + ... + 119481.

It is an arithmetic number, because the mean of its divisors is an integer number (10703700).

Almost surely, 2^131298168 is an apocalyptic number.

It is an amenable number.

131298168 is an abundant number, since it is smaller than the sum of its proper divisors (211220232).

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

131298168 is a wasteful number, since it uses less digits than its factorization.

131298168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237891 (or 237887 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 131298168 is about 11458.5412684163. The cubic root of 131298168 is about 508.2603394130.

The spelling of 131298168 in words is "one hundred thirty-one million, two hundred ninety-eight thousand, one hundred sixty-eight".