133370864 has 40 divisors (see below), whose sum is σ = 288469632. Its totient is φ = 59209920.

The previous prime is 133370851. The next prime is 133370879. The reversal of 133370864 is 468073331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244 + ... + 16379.

Almost surely, 2^133370864 is an apocalyptic number.

It is an amenable number.

133370864 is an abundant number, since it is smaller than the sum of its proper divisors (155098768).

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

133370864 is a wasteful number, since it uses less digits than its factorization.

133370864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17685 (or 17679 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 133370864 is about 11548.6303949862. The cubic root of 133370864 is about 510.9208839387.

The spelling of 133370864 in words is "one hundred thirty-three million, three hundred seventy thousand, eight hundred sixty-four".