136664129 has 8 divisors (see below), whose sum is σ = 157006848. Its totient is φ = 116526240.

The previous prime is 136664123. The next prime is 136664147. The reversal of 136664129 is 921466631.

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 136664129 - 2¹² = 136660033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136664092 and 136664101.

It is not an unprimeable number, because it can be changed into a prime (136664123) 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, 49772 + ... + 52445.

It is an arithmetic number, because the mean of its divisors is an integer number (19625856).

Almost surely, 2^136664129 is an apocalyptic number.

It is an amenable number.

136664129 is a deficient number, since it is larger than the sum of its proper divisors (20342719).

136664129 is a wasteful number, since it uses less digits than its factorization.

136664129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102415.

The product of its digits is 46656, while the sum is 38.

The square root of 136664129 is about 11690.3434081296. The cubic root of 136664129 is about 515.0920487743.

The spelling of 136664129 in words is "one hundred thirty-six million, six hundred sixty-four thousand, one hundred twenty-nine".