133899008 has 36 divisors (see below), whose sum is σ = 278907888. Its totient is φ = 64035840.

The previous prime is 133898993. The next prime is 133899037. The reversal of 133899008 is 800998331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5483 + ... + 17258.

Almost surely, 2^133899008 is an apocalyptic number.

It is an amenable number.

133899008 is an abundant number, since it is smaller than the sum of its proper divisors (145008880).

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

133899008 is an equidigital number, since it uses as much as digits as its factorization.

133899008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22780 (or 22766 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 133899008 is about 11571.4738905638. The cubic root of 133899008 is about 511.5944053446.

The spelling of 133899008 in words is "one hundred thirty-three million, eight hundred ninety-nine thousand, eight".