109518492 has 12 divisors (see below), whose sum is σ = 255543176. Its totient is φ = 36506160.

The previous prime is 109518491. The next prime is 109518509. The reversal of 109518492 is 294815901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 109518492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109518491) 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, 4563259 + ... + 4563282.

Almost surely, 2^109518492 is an apocalyptic number.

109518492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109518492 is an abundant number, since it is smaller than the sum of its proper divisors (146024684).

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

109518492 is a wasteful number, since it uses less digits than its factorization.

109518492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126548 (or 9126546 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 109518492 is about 10465.1083128652. The cubic root of 109518492 is about 478.4418397858.

The spelling of 109518492 in words is "one hundred nine million, five hundred eighteen thousand, four hundred ninety-two".