131274620 has 24 divisors (see below), whose sum is σ = 282402288. Its totient is φ = 51228800.

The previous prime is 131274607. The next prime is 131274653. The reversal of 131274620 is 26472131.

It is a super-2 number, since 2×131274620² = 34466051712288800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131274620.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79226 + ... + 80865.

It is an arithmetic number, because the mean of its divisors is an integer number (11766762).

Almost surely, 2^131274620 is an apocalyptic number.

131274620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131274620 is an abundant number, since it is smaller than the sum of its proper divisors (151127668).

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

131274620 is a wasteful number, since it uses less digits than its factorization.

131274620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160141 (or 160139 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 131274620 is about 11457.5136918967. The cubic root of 131274620 is about 508.2299525202.

The spelling of 131274620 in words is "one hundred thirty-one million, two hundred seventy-four thousand, six hundred twenty".