109013992 has 16 divisors (see below), whose sum is σ = 204587460. Its totient is φ = 54457344.

The previous prime is 109013981. The next prime is 109013999. The reversal of 109013992 is 299310901.

It can be written as a sum of positive squares in 2 ways, for example, as 103510276 + 5503716 = 10174^2 + 2346^2 .

It is not an unprimeable number, because it can be changed into a prime (109013999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4138 + ... + 15334.

Almost surely, 2^109013992 is an apocalyptic number.

It is an amenable number.

109013992 is a deficient number, since it is larger than the sum of its proper divisors (95573468).

109013992 is a wasteful number, since it uses less digits than its factorization.

109013992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12420 (or 12416 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 109013992 is about 10440.9765826765. The cubic root of 109013992 is about 477.7060569145.

The spelling of 109013992 in words is "one hundred nine million, thirteen thousand, nine hundred ninety-two".