133764528 has 40 divisors (see below), whose sum is σ = 348295168. Its totient is φ = 44235072.

The previous prime is 133764469. The next prime is 133764539. The reversal of 133764528 is 825467331.

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, 4876 + ... + 17067.

Almost surely, 2^133764528 is an apocalyptic number.

It is an amenable number.

133764528 is an abundant number, since it is smaller than the sum of its proper divisors (214530640).

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

133764528 is a wasteful number, since it uses less digits than its factorization.

133764528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22081 (or 22075 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 133764528 is about 11565.6615893774. The cubic root of 133764528 is about 511.4230765645.

The spelling of 133764528 in words is "one hundred thirty-three million, seven hundred sixty-four thousand, five hundred twenty-eight".