133996604 has 12 divisors (see below), whose sum is σ = 267993264. Its totient is φ = 57427104.

The previous prime is 133996591. The next prime is 133996609. The reversal of 133996604 is 406699331.

133996604 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133996609) 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, 2392769 + ... + 2392824.

It is an arithmetic number, because the mean of its divisors is an integer number (22332772).

Almost surely, 2^133996604 is an apocalyptic number.

133996604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133996604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133996604 is a wasteful number, since it uses less digits than its factorization.

133996604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785604 (or 4785602 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 133996604 is about 11575.6902170022. The cubic root of 133996604 is about 511.7186717410.

The spelling of 133996604 in words is "one hundred thirty-three million, nine hundred ninety-six thousand, six hundred four".