131722680 has 64 divisors (see below), whose sum is σ = 396093600. Its totient is φ = 35043840.

The previous prime is 131722673. The next prime is 131722711. The reversal of 131722680 is 86227131.

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

It is a congruent number.

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, 63906 + ... + 65934.

Almost surely, 2^131722680 is an apocalyptic number.

131722680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131722680 is an abundant number, since it is smaller than the sum of its proper divisors (264370920).

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

131722680 is a wasteful number, since it uses less digits than its factorization.

131722680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 131722680 is about 11477.0501436563. The cubic root of 131722680 is about 508.8075176394.

The spelling of 131722680 in words is "one hundred thirty-one million, seven hundred twenty-two thousand, six hundred eighty".