131940264 has 32 divisors (see below), whose sum is σ = 349254720. Its totient is φ = 41392896.

The previous prime is 131940253. The next prime is 131940283. The reversal of 131940264 is 462049131.

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, 161284 + ... + 162099.

It is an arithmetic number, because the mean of its divisors is an integer number (10914210).

Almost surely, 2^131940264 is an apocalyptic number.

It is an amenable number.

131940264 is an abundant number, since it is smaller than the sum of its proper divisors (217314456).

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

131940264 is a wasteful number, since it uses less digits than its factorization.

131940264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323409 (or 323405 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 131940264 is about 11486.5253231776. The cubic root of 131940264 is about 509.0875187081.

Adding to 131940264 its reverse (462049131), we get a palindrome (593989395).

The spelling of 131940264 in words is "one hundred thirty-one million, nine hundred forty thousand, two hundred sixty-four".