131295660 has 24 divisors (see below), whose sum is σ = 367628016. Its totient is φ = 35012160.

The previous prime is 131295631. The next prime is 131295677. The reversal of 131295660 is 66592131.

It is a happy 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, 1094071 + ... + 1094190.

It is an arithmetic number, because the mean of its divisors is an integer number (15317834).

Almost surely, 2^131295660 is an apocalyptic number.

131295660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131295660 is an abundant number, since it is smaller than the sum of its proper divisors (236332356).

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

131295660 is a wasteful number, since it uses less digits than its factorization.

131295660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188273 (or 2188271 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 131295660 is about 11458.4318298797. The cubic root of 131295660 is about 508.2571032037.

The spelling of 131295660 in words is "one hundred thirty-one million, two hundred ninety-five thousand, six hundred sixty".