109436816 has 10 divisors (see below), whose sum is σ = 212033862. Its totient is φ = 54718400.

The previous prime is 109436813. The next prime is 109436819. The reversal of 109436816 is 618634901.

It is an interprime number because it is at equal distance from previous prime (109436813) and next prime (109436819).

It can be written as a sum of positive squares in only one way, i.e., 101929216 + 7507600 = 10096^2 + 2740^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 109436816.

It is not an unprimeable number, because it can be changed into a prime (109436813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419885 + ... + 3419916.

Almost surely, 2^109436816 is an apocalyptic number.

109436816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

109436816 is a deficient number, since it is larger than the sum of its proper divisors (102597046).

109436816 is an equidigital number, since it uses as much as digits as its factorization.

109436816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6839809 (or 6839803 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 109436816 is about 10461.2052842873. The cubic root of 109436816 is about 478.3228737759.

The spelling of 109436816 in words is "one hundred nine million, four hundred thirty-six thousand, eight hundred sixteen".