108639196 has 12 divisors (see below), whose sum is σ = 191085048. Its totient is φ = 54043472.

The previous prime is 108639187. The next prime is 108639247. The reversal of 108639196 is 691936801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68146 + ... + 69721.

It is an arithmetic number, because the mean of its divisors is an integer number (15923754).

Almost surely, 2^108639196 is an apocalyptic number.

It is an amenable number.

108639196 is a deficient number, since it is larger than the sum of its proper divisors (82445852).

108639196 is a wasteful number, since it uses less digits than its factorization.

108639196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138068 (or 138066 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 108639196 is about 10423.0128082047. The cubic root of 108639196 is about 477.1579685619.

The spelling of 108639196 in words is "one hundred eight million, six hundred thirty-nine thousand, one hundred ninety-six".