109373418 has 192 divisors, whose sum is σ = 319168512. Its totient is φ = 26231040.

The previous prime is 109373399. The next prime is 109373419. The reversal of 109373418 is 814373901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (109373419) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1498230 + ... + 1498302.

It is an arithmetic number, because the mean of its divisors is an integer number (1662336).

Almost surely, 2^109373418 is an apocalyptic number.

109373418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109373418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159584256).

109373418 is an abundant number, since it is smaller than the sum of its proper divisors (209795094).

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

109373418 is a wasteful number, since it uses less digits than its factorization.

109373418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 109373418 is about 10458.1746973361. The cubic root of 109373418 is about 478.2304899623.

The spelling of 109373418 in words is "one hundred nine million, three hundred seventy-three thousand, four hundred eighteen".