109719361 has 6 divisors (see below), whose sum is σ = 114697730. Its totient is φ = 104948448.

The previous prime is 109719349. The next prime is 109719371. The reversal of 109719361 is 163917901.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 48566961 = 7820^2 + 6969^2 .

It is not a de Polignac number, because 109719361 - 2¹³ = 109711169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109719361.

It is not an unprimeable number, because it can be changed into a prime (109719301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103176 + ... + 104233.

Almost surely, 2^109719361 is an apocalyptic number.

It is an amenable number.

109719361 is a deficient number, since it is larger than the sum of its proper divisors (4978369).

109719361 is an equidigital number, since it uses as much as digits as its factorization.

109719361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207455 (or 207432 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 109719361 is about 10474.7009981192. The cubic root of 109719361 is about 478.7341661828.

The spelling of 109719361 in words is "one hundred nine million, seven hundred nineteen thousand, three hundred sixty-one".