109108208 has 40 divisors (see below), whose sum is σ = 238578480. Its totient is φ = 47882240.

The previous prime is 109108187. The next prime is 109108211. The reversal of 109108208 is 802801901.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5585 + ... + 15792.

It is an arithmetic number, because the mean of its divisors is an integer number (5964462).

Almost surely, 2^109108208 is an apocalyptic number.

It is an amenable number.

109108208 is an abundant number, since it is smaller than the sum of its proper divisors (129470272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109108208 is a wasteful number, since it uses less digits than its factorization.

109108208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21425 (or 21419 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 109108208 is about 10445.4874467399. The cubic root of 109108208 is about 477.8436374007.

The spelling of 109108208 in words is "one hundred nine million, one hundred eight thousand, two hundred eight".