133407764 has 12 divisors (see below), whose sum is σ = 266815584. Its totient is φ = 57174744.

The previous prime is 133407737. The next prime is 133407779. The reversal of 133407764 is 467704331.

133407764 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382254 + ... + 2382309.

It is an arithmetic number, because the mean of its divisors is an integer number (22234632).

Almost surely, 2^133407764 is an apocalyptic number.

133407764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133407764 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.

133407764 is a wasteful number, since it uses less digits than its factorization.

133407764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764574 (or 4764572 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 133407764 is about 11550.2278765399. The cubic root of 133407764 is about 510.9679987823.

The spelling of 133407764 in words is "one hundred thirty-three million, four hundred seven thousand, seven hundred sixty-four".