109900140 has 144 divisors (see below), whose sum is σ = 370591200. Its totient is φ = 24235008.

The previous prime is 109900079. The next prime is 109900151. The reversal of 109900140 is 41009901.

It is a self number, because there is not a number n which added to its sum of digits gives 109900140.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84616 + ... + 85904.

It is an arithmetic number, because the mean of its divisors is an integer number (2573550).

Almost surely, 2^109900140 is an apocalyptic number.

109900140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109900140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185295600).

109900140 is an abundant number, since it is smaller than the sum of its proper divisors (260691060).

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

109900140 is a wasteful number, since it uses less digits than its factorization.

109900140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 109900140 is about 10483.3267620541. The cubic root of 109900140 is about 478.9969505401.

The spelling of 109900140 in words is "one hundred nine million, nine hundred thousand, one hundred forty".