109840705 has 24 divisors (see below), whose sum is σ = 146095488. Its totient is φ = 79200576.

The previous prime is 109840697. The next prime is 109840711. The reversal of 109840705 is 507048901.

It is a happy number.

It is not a de Polignac number, because 109840705 - 2³ = 109840697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34824 + ... + 37846.

It is an arithmetic number, because the mean of its divisors is an integer number (6087312).

Almost surely, 2^109840705 is an apocalyptic number.

It is an amenable number.

109840705 is a deficient number, since it is larger than the sum of its proper divisors (36254783).

109840705 is a wasteful number, since it uses less digits than its factorization.

109840705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 109840705 is about 10480.4916392314. The cubic root of 109840705 is about 478.9105863267.

The spelling of 109840705 in words is "one hundred nine million, eight hundred forty thousand, seven hundred five".