133339172 has 12 divisors (see below), whose sum is σ = 236540556. Its totient is φ = 65756160.

The previous prime is 133339163. The next prime is 133339183. The reversal of 133339172 is 271933331.

It can be written as a sum of positive squares in 2 ways, for example, as 105185536 + 28153636 = 10256^2 + 5306^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228029 + ... + 228612.

It is an arithmetic number, because the mean of its divisors is an integer number (19711713).

Almost surely, 2^133339172 is an apocalyptic number.

It is an amenable number.

133339172 is a deficient number, since it is larger than the sum of its proper divisors (103201384).

133339172 is a wasteful number, since it uses less digits than its factorization.

133339172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456718 (or 456716 counting only the distinct ones).

The product of its digits is 10206, while the sum is 32.

The square root of 133339172 is about 11547.2582027077. The cubic root of 133339172 is about 510.8804118624.

The spelling of 133339172 in words is "one hundred thirty-three million, three hundred thirty-nine thousand, one hundred seventy-two".