133563712 has 14 divisors (see below), whose sum is σ = 265040618. Its totient is φ = 66781824.

The previous prime is 133563697. The next prime is 133563721. The reversal of 133563712 is 217365331.

It can be written as a sum of positive squares in only one way, i.e., 133079296 + 484416 = 11536^2 + 696^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043403 + ... + 1043530.

Almost surely, 2^133563712 is an apocalyptic number.

It is an amenable number.

133563712 is a deficient number, since it is larger than the sum of its proper divisors (131476906).

133563712 is an equidigital number, since it uses as much as digits as its factorization.

133563712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086945 (or 2086935 counting only the distinct ones).

The product of its digits is 11340, while the sum is 31.

The square root of 133563712 is about 11556.9767673038. The cubic root of 133563712 is about 511.1670212030.

The spelling of 133563712 in words is "one hundred thirty-three million, five hundred sixty-three thousand, seven hundred twelve".