108138355 has 16 divisors (see below), whose sum is σ = 141039360. Its totient is φ = 79118208.

The previous prime is 108138287. The next prime is 108138379. The reversal of 108138355 is 553831801.

It is not a de Polignac number, because 108138355 - 2⁷ = 108138227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108138355.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547 + ... + 14716.

It is an arithmetic number, because the mean of its divisors is an integer number (8814960).

Almost surely, 2^108138355 is an apocalyptic number.

108138355 is a deficient number, since it is larger than the sum of its proper divisors (32901005).

108138355 is a wasteful number, since it uses less digits than its factorization.

108138355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15390.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 108138355 is about 10398.9593229323. The cubic root of 108138355 is about 476.4235851781.

The spelling of 108138355 in words is "one hundred eight million, one hundred thirty-eight thousand, three hundred fifty-five".