108190109 has 8 divisors (see below), whose sum is σ = 111802080. Its totient is φ = 104614416.

The previous prime is 108190081. The next prime is 108190127. The reversal of 108190109 is 901091801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108190109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108190139) 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, 2939 + ... + 15000.

It is an arithmetic number, because the mean of its divisors is an integer number (13975260).

Almost surely, 2^108190109 is an apocalyptic number.

It is an amenable number.

108190109 is a deficient number, since it is larger than the sum of its proper divisors (3611971).

108190109 is a wasteful number, since it uses less digits than its factorization.

108190109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18139.

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 108190109 is about 10401.4474473508. The cubic root of 108190109 is about 476.4995770059.

The spelling of 108190109 in words is "one hundred eight million, one hundred ninety thousand, one hundred nine".