133164507 has 24 divisors (see below), whose sum is σ = 211354176. Its totient is φ = 74320848.

The previous prime is 133164487. The next prime is 133164523. The reversal of 133164507 is 705461331.

It is not a de Polignac number, because 133164507 - 2¹¹ = 133162459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133164307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4213 + ... + 16854.

It is an arithmetic number, because the mean of its divisors is an integer number (8806424).

Almost surely, 2^133164507 is an apocalyptic number.

133164507 is a deficient number, since it is larger than the sum of its proper divisors (78189669).

133164507 is a wasteful number, since it uses less digits than its factorization.

133164507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21127 (or 21120 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 133164507 is about 11539.6926735507. The cubic root of 133164507 is about 510.6572418388.

The spelling of 133164507 in words is "one hundred thirty-three million, one hundred sixty-four thousand, five hundred seven".