108718135 has 4 divisors (see below), whose sum is σ = 130461768. Its totient is φ = 86974504.

The previous prime is 108718063. The next prime is 108718139. The reversal of 108718135 is 531817801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108718135 - 2²³ = 100329527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108718135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108718139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10871809 + ... + 10871818.

It is an arithmetic number, because the mean of its divisors is an integer number (32615442).

Almost surely, 2^108718135 is an apocalyptic number.

108718135 is a deficient number, since it is larger than the sum of its proper divisors (21743633).

108718135 is an equidigital number, since it uses as much as digits as its factorization.

108718135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21743632.

The product of its (nonzero) digits is 6720, while the sum is 34.

The square root of 108718135 is about 10426.7988855641. The cubic root of 108718135 is about 477.2735108185.

The spelling of 108718135 in words is "one hundred eight million, seven hundred eighteen thousand, one hundred thirty-five".