109621140 has 48 divisors (see below), whose sum is σ = 308515200. Its totient is φ = 29082240.

The previous prime is 109621133. The next prime is 109621153. The reversal of 109621140 is 41126901.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 109621140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7350 + ... + 16530.

It is an arithmetic number, because the mean of its divisors is an integer number (6427400).

Almost surely, 2^109621140 is an apocalyptic number.

109621140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109621140 is an abundant number, since it is smaller than the sum of its proper divisors (198894060).

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

109621140 is a wasteful number, since it uses less digits than its factorization.

109621140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392 (or 9390 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 109621140 is about 10470.0114613118. The cubic root of 109621140 is about 478.5912689268.

The spelling of 109621140 in words is "one hundred nine million, six hundred twenty-one thousand, one hundred forty".