136644017 has 8 divisors (see below), whose sum is σ = 139765824. Its totient is φ = 133542448.

The previous prime is 136643987. The next prime is 136644031. The reversal of 136644017 is 710446631.

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 136644017 - 2²⁰ = 135595441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136644047) 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, 9038 + ... + 18840.

It is an arithmetic number, because the mean of its divisors is an integer number (17470728).

Almost surely, 2^136644017 is an apocalyptic number.

It is an amenable number.

136644017 is a deficient number, since it is larger than the sum of its proper divisors (3121807).

136644017 is an equidigital number, since it uses as much as digits as its factorization.

136644017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10119.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 136644017 is about 11689.4831793369. The cubic root of 136644017 is about 515.0667799160.

The spelling of 136644017 in words is "one hundred thirty-six million, six hundred forty-four thousand, seventeen".