109109268 has 30 divisors (see below), whose sum is σ = 285234026. Its totient is φ = 36369648.

The previous prime is 109109261. The next prime is 109109279. The reversal of 109109268 is 862901901.

It can be written as a sum of positive squares in only one way, i.e., 104898564 + 4210704 = 10242^2 + 2052^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109109261) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 168055 + ... + 168702.

Almost surely, 2^109109268 is an apocalyptic number.

109109268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

109109268 is an abundant number, since it is smaller than the sum of its proper divisors (176124758).

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

109109268 is a wasteful number, since it uses less digits than its factorization.

109109268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336773 (or 336762 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 109109268 is about 10445.5381862305. The cubic root of 109109268 is about 477.8451848327.

The spelling of 109109268 in words is "one hundred nine million, one hundred nine thousand, two hundred sixty-eight".