131378716 has 24 divisors (see below), whose sum is σ = 263312000. Its totient is φ = 56186352.

The previous prime is 131378701. The next prime is 131378743. The reversal of 131378716 is 617873131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9271 + ... + 18673.

Almost surely, 2^131378716 is an apocalyptic number.

It is an amenable number.

131378716 is an abundant number, since it is smaller than the sum of its proper divisors (131933284).

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

131378716 is a wasteful number, since it uses less digits than its factorization.

131378716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913 (or 9911 counting only the distinct ones).

The product of its digits is 21168, while the sum is 37.

The square root of 131378716 is about 11462.0554875642. The cubic root of 131378716 is about 508.3642529850.

The spelling of 131378716 in words is "one hundred thirty-one million, three hundred seventy-eight thousand, seven hundred sixteen".