133755272 has 32 divisors (see below), whose sum is σ = 290553600. Its totient is φ = 56536704.

The previous prime is 133755239. The next prime is 133755277. The reversal of 133755272 is 272557331.

It is not an unprimeable number, because it can be changed into a prime (133755277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12272 + ... + 20447.

It is an arithmetic number, because the mean of its divisors is an integer number (9079800).

Almost surely, 2^133755272 is an apocalyptic number.

It is an amenable number.

133755272 is an abundant number, since it is smaller than the sum of its proper divisors (156798328).

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

133755272 is a wasteful number, since it uses less digits than its factorization.

133755272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32805 (or 32801 counting only the distinct ones).

The product of its digits is 44100, while the sum is 35.

The square root of 133755272 is about 11565.2614324104. The cubic root of 133755272 is about 511.4112801108.

The spelling of 133755272 in words is "one hundred thirty-three million, seven hundred fifty-five thousand, two hundred seventy-two".