133404868 has 12 divisors (see below), whose sum is σ = 233579920. Its totient is φ = 66667752.

The previous prime is 133404863. The next prime is 133404883. The reversal of 133404868 is 868404331.

It is a super-3 number, since 3×133404868³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (133404863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243 + ... + 16381.

Almost surely, 2^133404868 is an apocalyptic number.

It is an amenable number.

133404868 is a deficient number, since it is larger than the sum of its proper divisors (100175052).

133404868 is a wasteful number, since it uses less digits than its factorization.

133404868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17346 (or 17344 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 133404868 is about 11550.1025103676. The cubic root of 133404868 is about 510.9643014112.

The spelling of 133404868 in words is "one hundred thirty-three million, four hundred four thousand, eight hundred sixty-eight".