109716813 has 12 divisors (see below), whose sum is σ = 161166720. Its totient is φ = 71904456.

The previous prime is 109716799. The next prime is 109716821. The reversal of 109716813 is 318617901.

It is not a de Polignac number, because 109716813 - 2⁹ = 109716301 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109716853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102781 + ... + 103842.

It is an arithmetic number, because the mean of its divisors is an integer number (13430560).

Almost surely, 2^109716813 is an apocalyptic number.

It is an amenable number.

109716813 is a deficient number, since it is larger than the sum of its proper divisors (51449907).

109716813 is a wasteful number, since it uses less digits than its factorization.

109716813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206688 (or 206685 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 109716813 is about 10474.5793710297. The cubic root of 109716813 is about 478.7304602914.

The spelling of 109716813 in words is "one hundred nine million, seven hundred sixteen thousand, eight hundred thirteen".