133575272 has 8 divisors (see below), whose sum is σ = 250453650. Its totient is φ = 66787632.

The previous prime is 133575271. The next prime is 133575289. The reversal of 133575272 is 272575331.

It can be written as a sum of positive squares in only one way, i.e., 115648516 + 17926756 = 10754^2 + 4234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (133575271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8348447 + ... + 8348462.

Almost surely, 2^133575272 is an apocalyptic number.

It is an amenable number.

133575272 is a deficient number, since it is larger than the sum of its proper divisors (116878378).

133575272 is a wasteful number, since it uses less digits than its factorization.

133575272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696915 (or 16696911 counting only the distinct ones).

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

The square root of 133575272 is about 11557.4768872795. The cubic root of 133575272 is about 511.1817680236.

The spelling of 133575272 in words is "one hundred thirty-three million, five hundred seventy-five thousand, two hundred seventy-two".