133120232 has 32 divisors (see below), whose sum is σ = 300273600. Its totient is φ = 54048384.

The previous prime is 133120201. The next prime is 133120261. The reversal of 133120232 is 232021331.

It is a self number, because there is not a number n which added to its sum of digits gives 133120232.

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, 61493 + ... + 63620.

It is an arithmetic number, because the mean of its divisors is an integer number (9383550).

Almost surely, 2^133120232 is an apocalyptic number.

It is an amenable number.

133120232 is an abundant number, since it is smaller than the sum of its proper divisors (167153368).

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

133120232 is a wasteful number, since it uses less digits than its factorization.

133120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125145 (or 125141 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133120232 is about 11537.7741354214. The cubic root of 133120232 is about 510.6006405314.

Adding to 133120232 its reverse (232021331), we get a palindrome (365141563).

The spelling of 133120232 in words is "one hundred thirty-three million, one hundred twenty thousand, two hundred thirty-two".