131274660 has 48 divisors (see below), whose sum is σ = 400986432. Its totient is φ = 31824000.

The previous prime is 131274653. The next prime is 131274679. The reversal of 131274660 is 66472131.

131274660 = T₄₈₈₀ + T₄₈₈₁ + ... + T₄₈₉₀.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98791 + ... + 100110.

It is an arithmetic number, because the mean of its divisors is an integer number (8353884).

Almost surely, 2^131274660 is an apocalyptic number.

131274660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131274660 is an abundant number, since it is smaller than the sum of its proper divisors (269711772).

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

131274660 is a wasteful number, since it uses less digits than its factorization.

131274660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198924 (or 198922 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 131274660 is about 11457.5154374760. The cubic root of 131274660 is about 508.2300041402.

The spelling of 131274660 in words is "one hundred thirty-one million, two hundred seventy-four thousand, six hundred sixty".