133292872 has 16 divisors (see below), whose sum is σ = 250645500. Its totient is φ = 66454080.

The previous prime is 133292857. The next prime is 133292881. The reversal of 133292872 is 278292331.

It can be written as a sum of positive squares in 2 ways, for example, as 123965956 + 9326916 = 11134^2 + 3054^2 .

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, 21079 + ... + 26662.

Almost surely, 2^133292872 is an apocalyptic number.

It is an amenable number.

133292872 is a deficient number, since it is larger than the sum of its proper divisors (117352628).

133292872 is a wasteful number, since it uses less digits than its factorization.

133292872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48096 (or 48092 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 133292872 is about 11545.2532237279. The cubic root of 133292872 is about 510.8212731986.

The spelling of 133292872 in words is "one hundred thirty-three million, two hundred ninety-two thousand, eight hundred seventy-two".