131764716 has 18 divisors (see below), whose sum is σ = 333072012. Its totient is φ = 43921560.

The previous prime is 131764649. The next prime is 131764727. The reversal of 131764716 is 617467131.

131764716 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 647 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3660131 = 131764716 / (1 + 3 + 1 + 7 + 6 + 4 + 7 + 1 + 6).

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, 1830030 + ... + 1830101.

Almost surely, 2^131764716 is an apocalyptic number.

It is an amenable number.

131764716 is an abundant number, since it is smaller than the sum of its proper divisors (201307296).

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

131764716 is a wasteful number, since it uses less digits than its factorization.

131764716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3660141 (or 3660136 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 131764716 is about 11478.8813043781. The cubic root of 131764716 is about 508.8616362823.

The spelling of 131764716 in words is "one hundred thirty-one million, seven hundred sixty-four thousand, seven hundred sixteen".