133164065 has 32 divisors (see below), whose sum is σ = 175718400. Its totient is φ = 96500160.

The previous prime is 133164029. The next prime is 133164067. The reversal of 133164065 is 560461331.

It is a happy number.

It is not a de Polignac number, because 133164065 - 2¹⁴ = 133147681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133164067) 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 31 ways as a sum of consecutive naturals, for example, 303116 + ... + 303554.

It is an arithmetic number, because the mean of its divisors is an integer number (5491200).

Almost surely, 2^133164065 is an apocalyptic number.

It is an amenable number.

133164065 is a deficient number, since it is larger than the sum of its proper divisors (42554335).

133164065 is a wasteful number, since it uses less digits than its factorization.

133164065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 133164065 is about 11539.6735222449. The cubic root of 133164065 is about 510.6566768466.

The spelling of 133164065 in words is "one hundred thirty-three million, one hundred sixty-four thousand, sixty-five".