133808336 has 20 divisors (see below), whose sum is σ = 272899200. Its totient is φ = 63382752.

The previous prime is 133808333. The next prime is 133808341. The reversal of 133808336 is 633808331.

133808336 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 133808296 and 133808305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133808333) 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, 219776 + ... + 220383.

It is an arithmetic number, because the mean of its divisors is an integer number (13644960).

Almost surely, 2^133808336 is an apocalyptic number.

133808336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133808336 is an abundant number, since it is smaller than the sum of its proper divisors (139090864).

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

133808336 is a wasteful number, since it uses less digits than its factorization.

133808336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440186 (or 440180 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 133808336 is about 11567.5553164876. Note that the first 3 decimals coincide. The cubic root of 133808336 is about 511.4789009725.

The spelling of 133808336 in words is "one hundred thirty-three million, eight hundred eight thousand, three hundred thirty-six".