133015164 has 24 divisors (see below), whose sum is σ = 323863680. Its totient is φ = 42410544.

The previous prime is 133015159. The next prime is 133015171. The reversal of 133015164 is 461510331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240694 + ... + 241245.

It is an arithmetic number, because the mean of its divisors is an integer number (13494320).

Almost surely, 2^133015164 is an apocalyptic number.

It is an amenable number.

133015164 is an abundant number, since it is smaller than the sum of its proper divisors (190848516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133015164 is a wasteful number, since it uses less digits than its factorization.

133015164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481969 (or 481967 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 133015164 is about 11533.2200187112. The cubic root of 133015164 is about 510.4662710027.

Adding to 133015164 its reverse (461510331), we get a palindrome (594525495).

The spelling of 133015164 in words is "one hundred thirty-three million, fifteen thousand, one hundred sixty-four".