133059920 has 40 divisors (see below), whose sum is σ = 353560704. Its totient is φ = 45620352.

The previous prime is 133059919. The next prime is 133059943. The reversal of 133059920 is 29950331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 118244 + ... + 119363.

Almost surely, 2^133059920 is an apocalyptic number.

133059920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133059920 is an abundant number, since it is smaller than the sum of its proper divisors (220500784).

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

133059920 is a wasteful number, since it uses less digits than its factorization.

133059920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237627 (or 237621 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 133059920 is about 11535.1601636041. The cubic root of 133059920 is about 510.5235172740.

The spelling of 133059920 in words is "one hundred thirty-three million, fifty-nine thousand, nine hundred twenty".