133356232 has 8 divisors (see below), whose sum is σ = 250042950. Its totient is φ = 66678112.

The previous prime is 133356229. The next prime is 133356233. The reversal of 133356232 is 232653331.

It can be written as a sum of positive squares in only one way, i.e., 106378596 + 26977636 = 10314^2 + 5194^2 .

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

It is a super-2 number, since 2×133356232² = 35567769226475648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133356232.

It is not an unprimeable number, because it can be changed into a prime (133356233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8334757 + ... + 8334772.

Almost surely, 2^133356232 is an apocalyptic number.

It is an amenable number.

133356232 is a deficient number, since it is larger than the sum of its proper divisors (116686718).

133356232 is a wasteful number, since it uses less digits than its factorization.

133356232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16669535 (or 16669531 counting only the distinct ones).

The product of its digits is 9720, while the sum is 28.

The square root of 133356232 is about 11547.9968825766. The cubic root of 133356232 is about 510.9021990287.

The spelling of 133356232 in words is "one hundred thirty-three million, three hundred fifty-six thousand, two hundred thirty-two".