133320902 has 48 divisors (see below), whose sum is σ = 249730992. Its totient is φ = 52615680.

The previous prime is 133320899. The next prime is 133320947. The reversal of 133320902 is 209023331.

133320902 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81848 + ... + 83460.

It is an arithmetic number, because the mean of its divisors is an integer number (5202729).

Almost surely, 2^133320902 is an apocalyptic number.

133320902 is a deficient number, since it is larger than the sum of its proper divisors (116410090).

133320902 is a wasteful number, since it uses less digits than its factorization.

133320902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 133320902 is about 11546.4670787215. The cubic root of 133320902 is about 510.8570773556.

The spelling of 133320902 in words is "one hundred thirty-three million, three hundred twenty thousand, nine hundred two".