133790904 has 48 divisors (see below), whose sum is σ = 390226200. Its totient is φ = 41166144.

The previous prime is 133790879. The next prime is 133790929. The reversal of 133790904 is 409097331.

It is an interprime number because it is at equal distance from previous prime (133790879) and next prime (133790929).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70534 + ... + 72405.

Almost surely, 2^133790904 is an apocalyptic number.

It is an amenable number.

133790904 is an abundant number, since it is smaller than the sum of its proper divisors (256435296).

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

133790904 is a wasteful number, since it uses less digits than its factorization.

133790904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142964 (or 142957 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 133790904 is about 11566.8018051664. The cubic root of 133790904 is about 511.4566888850.

The spelling of 133790904 in words is "one hundred thirty-three million, seven hundred ninety thousand, nine hundred four".