133164687 has 8 divisors (see below), whose sum is σ = 185272704. Its totient is φ = 84916568.

The previous prime is 133164671. The next prime is 133164697. The reversal of 133164687 is 786461331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133164687 - 2⁴ = 133164671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133164617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964893 + ... + 965030.

It is an arithmetic number, because the mean of its divisors is an integer number (23159088).

Almost surely, 2^133164687 is an apocalyptic number.

133164687 is a deficient number, since it is larger than the sum of its proper divisors (52108017).

133164687 is a wasteful number, since it uses less digits than its factorization.

133164687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929949.

The product of its digits is 72576, while the sum is 39.

The square root of 133164687 is about 11539.7004727159. The cubic root of 133164687 is about 510.6574719258.

The spelling of 133164687 in words is "one hundred thirty-three million, one hundred sixty-four thousand, six hundred eighty-seven".