272133128 has 32 divisors (see below), whose sum is σ = 528111360. Its totient is φ = 131327040.

The previous prime is 272133109. The next prime is 272133157. The reversal of 272133128 is 821331272.

It is a self number, because there is not a number n which added to its sum of digits gives 272133128.

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, 108626 + ... + 111102.

It is an arithmetic number, because the mean of its divisors is an integer number (16503480).

Almost surely, 2^272133128 is an apocalyptic number.

It is an amenable number.

272133128 is a deficient number, since it is larger than the sum of its proper divisors (255978232).

272133128 is a wasteful number, since it uses less digits than its factorization.

272133128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957 (or 2953 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 272133128 is about 16496.4580440772. The cubic root of 272133128 is about 648.0280496419.

The spelling of 272133128 in words is "two hundred seventy-two million, one hundred thirty-three thousand, one hundred twenty-eight".