131372620 has 24 divisors (see below), whose sum is σ = 276782688. Its totient is φ = 52377600.

The previous prime is 131372603. The next prime is 131372641. The reversal of 131372620 is 26273131.

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, 4341 + ... + 16780.

It is an arithmetic number, because the mean of its divisors is an integer number (11532612).

Almost surely, 2^131372620 is an apocalyptic number.

131372620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131372620 is an abundant number, since it is smaller than the sum of its proper divisors (145410068).

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

131372620 is a wasteful number, since it uses less digits than its factorization.

131372620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21441 (or 21439 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 131372620 is about 11461.7895635891. The cubic root of 131372620 is about 508.3563901274.

The spelling of 131372620 in words is "one hundred thirty-one million, three hundred seventy-two thousand, six hundred twenty".