136108779 has 8 divisors (see below), whose sum is σ = 189368832. Its totient is φ = 86793960.

The previous prime is 136108769. The next prime is 136108789. The reversal of 136108779 is 977801631.

It is an interprime number because it is at equal distance from previous prime (136108769) and next prime (136108789).

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

It is not a de Polignac number, because 136108779 - 2⁸ = 136108523 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 136108779.

It is not an unprimeable number, because it can be changed into a prime (136108729) 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, 986227 + ... + 986364.

It is an arithmetic number, because the mean of its divisors is an integer number (23671104).

Almost surely, 2^136108779 is an apocalyptic number.

136108779 is a deficient number, since it is larger than the sum of its proper divisors (53260053).

136108779 is a wasteful number, since it uses less digits than its factorization.

136108779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972617.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 136108779 is about 11666.5667186195. The cubic root of 136108779 is about 514.3933901418.

The spelling of 136108779 in words is "one hundred thirty-six million, one hundred eight thousand, seven hundred seventy-nine".