133515164 has 12 divisors (see below), whose sum is σ = 235051824. Its totient is φ = 66357504.

The previous prime is 133515163. The next prime is 133515241. The reversal of 133515164 is 461515331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133515163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99269 + ... + 100604.

It is an arithmetic number, because the mean of its divisors is an integer number (19587652).

Almost surely, 2^133515164 is an apocalyptic number.

It is an amenable number.

133515164 is a deficient number, since it is larger than the sum of its proper divisors (101536660).

133515164 is a wasteful number, since it uses less digits than its factorization.

133515164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200044 (or 200042 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 133515164 is about 11554.8762001157. The cubic root of 133515164 is about 511.1050803671.

The spelling of 133515164 in words is "one hundred thirty-three million, five hundred fifteen thousand, one hundred sixty-four".