19109714 has 16 divisors (see below), whose sum is σ = 31378200. Its totient is φ = 8674560.

The previous prime is 19109689. The next prime is 19109747. The reversal of 19109714 is 41790191.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9406489 + 9703225 = 3067^2 + 3115^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4439 + ... + 7610.

Almost surely, 2^19109714 is an apocalyptic number.

19109714 is a deficient number, since it is larger than the sum of its proper divisors (12268486).

19109714 is a wasteful number, since it uses less digits than its factorization.

19109714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12125.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 19109714 is about 4371.4658868622. The cubic root of 19109714 is about 267.3527952421.

The spelling of 19109714 in words is "nineteen million, one hundred nine thousand, seven hundred fourteen".