133885696 has 36 divisors (see below), whose sum is σ = 305430832. Its totient is φ = 57378816.

The previous prime is 133885679. The next prime is 133885711. The reversal of 133885696 is 696588331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35565 + ... + 39148.

Almost surely, 2^133885696 is an apocalyptic number.

133885696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133885696 is an abundant number, since it is smaller than the sum of its proper divisors (171545136).

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

133885696 is an frugal number, since it uses more digits than its factorization.

133885696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74736 (or 74722 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 133885696 is about 11570.8986686428. The cubic root of 133885696 is about 511.5774508490.

The spelling of 133885696 in words is "one hundred thirty-three million, eight hundred eighty-five thousand, six hundred ninety-six".