131668192 has 24 divisors (see below), whose sum is σ = 270493776. Its totient is φ = 62971392.

The previous prime is 131668189. The next prime is 131668211. The reversal of 131668192 is 291866131.

It is a congruent number.

It is an unprimeable number.

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, 88713 + ... + 90184.

It is an arithmetic number, because the mean of its divisors is an integer number (11270574).

Almost surely, 2^131668192 is an apocalyptic number.

It is an amenable number.

131668192 is an abundant number, since it is smaller than the sum of its proper divisors (138825584).

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

131668192 is a wasteful number, since it uses less digits than its factorization.

131668192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178930 (or 178922 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 131668192 is about 11474.6761174336. The cubic root of 131668192 is about 508.7373507109.

The spelling of 131668192 in words is "one hundred thirty-one million, six hundred sixty-eight thousand, one hundred ninety-two".