133565332 has 12 divisors (see below), whose sum is σ = 234368596. Its totient is φ = 66602880.

The previous prime is 133565323. The next prime is 133565359. The reversal of 133565332 is 233565331.

133565332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37015056 + 96550276 = 6084^2 + 9826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133565294 and 133565303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43269 + ... + 46252.

Almost surely, 2^133565332 is an apocalyptic number.

It is an amenable number.

133565332 is a deficient number, since it is larger than the sum of its proper divisors (100803264).

133565332 is a wasteful number, since it uses less digits than its factorization.

133565332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89898 (or 89896 counting only the distinct ones).

The product of its digits is 24300, while the sum is 31.

The square root of 133565332 is about 11557.0468546251. The cubic root of 133565332 is about 511.1690878502.

Subtracting 133565332 from its reverse (233565331), we obtain a palindrome (99999999).

The spelling of 133565332 in words is "one hundred thirty-three million, five hundred sixty-five thousand, three hundred thirty-two".