133893384 has 32 divisors (see below), whose sum is σ = 335219040. Its totient is φ = 44566400.

The previous prime is 133893379. The next prime is 133893401. The reversal of 133893384 is 483398331.

It is a happy number.

133893384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 14599 + ... + 21929.

It is an arithmetic number, because the mean of its divisors is an integer number (10475595).

Almost surely, 2^133893384 is an apocalyptic number.

It is an amenable number.

133893384 is an abundant number, since it is smaller than the sum of its proper divisors (201325656).

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

133893384 is a wasteful number, since it uses less digits than its factorization.

133893384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101 (or 8097 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 133893384 is about 11571.2308766181. The cubic root of 133893384 is about 511.5872426148.

The spelling of 133893384 in words is "one hundred thirty-three million, eight hundred ninety-three thousand, three hundred eighty-four".