131967764 has 12 divisors (see below), whose sum is σ = 231170688. Its totient is φ = 65919000.

The previous prime is 131967743. The next prime is 131967769. The reversal of 131967764 is 467769131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131967769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11492 + ... + 19899.

It is an arithmetic number, because the mean of its divisors is an integer number (19264224).

Almost surely, 2^131967764 is an apocalyptic number.

It is an amenable number.

131967764 is a deficient number, since it is larger than the sum of its proper divisors (99202924).

131967764 is a wasteful number, since it uses less digits than its factorization.

131967764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32446 (or 32444 counting only the distinct ones).

The product of its digits is 190512, while the sum is 44.

The square root of 131967764 is about 11487.7223155855. The cubic root of 131967764 is about 509.1228855572.

The spelling of 131967764 in words is "one hundred thirty-one million, nine hundred sixty-seven thousand, seven hundred sixty-four".