131164722 has 48 divisors (see below), whose sum is σ = 319370688. Its totient is φ = 38602080.

The previous prime is 131164717. The next prime is 131164723. The reversal of 131164722 is 227461131.

131164722 is a `hidden beast` number, since 1 + 3 + 11 + 647 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (131164723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6804 + ... + 17567.

It is an arithmetic number, because the mean of its divisors is an integer number (6653556).

Almost surely, 2^131164722 is an apocalyptic number.

131164722 is an abundant number, since it is smaller than the sum of its proper divisors (188205966).

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

131164722 is a wasteful number, since it uses less digits than its factorization.

131164722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24415 (or 24412 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 131164722 is about 11452.7167955905. The cubic root of 131164722 is about 508.0880894835.

The spelling of 131164722 in words is "one hundred thirty-one million, one hundred sixty-four thousand, seven hundred twenty-two".