109138083156 has 96 divisors (see below), whose sum is σ = 285124250880. Its totient is φ = 36100697472.

The previous prime is 109138083149. The next prime is 109138083169. The reversal of 109138083156 is 651380831901.

It is a happy number.

It is a super-2 number, since 2×109138083156² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10401745 + ... + 10412231.

It is an arithmetic number, because the mean of its divisors is an integer number (2970044280).

Almost surely, 2^109138083156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109138083156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142562125440).

109138083156 is an abundant number, since it is smaller than the sum of its proper divisors (175986167724).

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

109138083156 is a wasteful number, since it uses less digits than its factorization.

109138083156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11230 (or 11222 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 109138083156 in words is "one hundred nine billion, one hundred thirty-eight million, eighty-three thousand, one hundred fifty-six".