133082216 has 8 divisors (see below), whose sum is σ = 249529170. Its totient is φ = 66541104.

The previous prime is 133082203. The next prime is 133082219. The reversal of 133082216 is 612280331.

133082216 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 only one way, i.e., 81902500 + 51179716 = 9050^2 + 7154^2 .

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

It is not an unprimeable number, because it can be changed into a prime (133082219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8317631 + ... + 8317646.

Almost surely, 2^133082216 is an apocalyptic number.

It is an amenable number.

133082216 is a deficient number, since it is larger than the sum of its proper divisors (116446954).

133082216 is a wasteful number, since it uses less digits than its factorization.

133082216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16635283 (or 16635279 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 133082216 is about 11536.1265596386. The cubic root of 133082216 is about 510.5520307353.

The spelling of 133082216 in words is "one hundred thirty-three million, eighty-two thousand, two hundred sixteen".