109681108 has 12 divisors (see below), whose sum is σ = 194099220. Its totient is φ = 54224192.

The previous prime is 109681081. The next prime is 109681133. The reversal of 109681108 is 801186901.

It can be written as a sum of positive squares in 2 ways, for example, as 39087504 + 70593604 = 6252^2 + 8402^2 .

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 3 ways as a sum of consecutive naturals, for example, 153691 + ... + 154402.

It is an arithmetic number, because the mean of its divisors is an integer number (16174935).

Almost surely, 2^109681108 is an apocalyptic number.

It is an amenable number.

109681108 is a deficient number, since it is larger than the sum of its proper divisors (84418112).

109681108 is a wasteful number, since it uses less digits than its factorization.

109681108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308186 (or 308184 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 109681108 is about 10472.8748679625. The cubic root of 109681108 is about 478.6785237797.

The spelling of 109681108 in words is "one hundred nine million, six hundred eighty-one thousand, one hundred eight".