109418790 has 32 divisors (see below), whose sum is σ = 282806496. Its totient is φ = 26933760.

The previous prime is 109418779. The next prime is 109418801. The reversal of 109418790 is 97814901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (109418779) and next prime (109418801).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139891 + ... + 140670.

It is an arithmetic number, because the mean of its divisors is an integer number (8837703).

Almost surely, 2^109418790 is an apocalyptic number.

109418790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109418790 is an abundant number, since it is smaller than the sum of its proper divisors (173387706).

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

109418790 is a wasteful number, since it uses less digits than its factorization.

109418790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280584.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 109418790 is about 10460.3436846023. The cubic root of 109418790 is about 478.2966098491.

The spelling of 109418790 in words is "one hundred nine million, four hundred eighteen thousand, seven hundred ninety".