131672100 has 72 divisors (see below), whose sum is σ = 435402688. Its totient is φ = 30096000.

The previous prime is 131672081. The next prime is 131672111. The reversal of 131672100 is 1276131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29251 + ... + 33450.

Almost surely, 2^131672100 is an apocalyptic number.

131672100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131672100 is an abundant number, since it is smaller than the sum of its proper divisors (303730588).

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

131672100 is a wasteful number, since it uses less digits than its factorization.

131672100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62725 (or 62718 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 131672100 is about 11474.8464042008. The cubic root of 131672100 is about 508.7423838827.

The spelling of 131672100 in words is "one hundred thirty-one million, six hundred seventy-two thousand, one hundred".