108136617 has 4 divisors (see below), whose sum is σ = 144182160. Its totient is φ = 72091076.

The previous prime is 108136597. The next prime is 108136627. The reversal of 108136617 is 716631801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 716631801 = 3 ⋅238877267.

It is a cyclic number.

It is not a de Polignac number, because 108136617 - 2²⁰ = 107088041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108136627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18022767 + ... + 18022772.

It is an arithmetic number, because the mean of its divisors is an integer number (36045540).

Almost surely, 2^108136617 is an apocalyptic number.

It is an amenable number.

108136617 is a deficient number, since it is larger than the sum of its proper divisors (36045543).

108136617 is an equidigital number, since it uses as much as digits as its factorization.

108136617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36045542.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 108136617 is about 10398.8757565421. The cubic root of 108136617 is about 476.4210328040.

The spelling of 108136617 in words is "one hundred eight million, one hundred thirty-six thousand, six hundred seventeen".