133265064 has 16 divisors (see below), whose sum is σ = 333162720. Its totient is φ = 44421680.

The previous prime is 133265039. The next prime is 133265087. The reversal of 133265064 is 460562331.

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, 2776332 + ... + 2776379.

It is an arithmetic number, because the mean of its divisors is an integer number (20822670).

Almost surely, 2^133265064 is an apocalyptic number.

It is an amenable number.

133265064 is an abundant number, since it is smaller than the sum of its proper divisors (199897656).

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

133265064 is a wasteful number, since it uses less digits than its factorization.

133265064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552720 (or 5552716 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 133265064 is about 11544.0488564455. The cubic root of 133265064 is about 510.7857476533.

The spelling of 133265064 in words is "one hundred thirty-three million, two hundred sixty-five thousand, sixty-four".