133930872 has 48 divisors (see below), whose sum is σ = 363774840. Its totient is φ = 44515008.

The previous prime is 133930859. The next prime is 133930883. The reversal of 133930872 is 278039331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24363 + ... + 29349.

Almost surely, 2^133930872 is an apocalyptic number.

133930872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133930872 is an abundant number, since it is smaller than the sum of its proper divisors (229843968).

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

133930872 is a wasteful number, since it uses less digits than its factorization.

133930872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372 (or 5365 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 133930872 is about 11572.8506427760. The cubic root of 133930872 is about 511.6349835671.

The spelling of 133930872 in words is "one hundred thirty-three million, nine hundred thirty thousand, eight hundred seventy-two".