19119939 has 8 divisors (see below), whose sum is σ = 25719312. Its totient is φ = 12633600.

The previous prime is 19119913. The next prime is 19119943. The reversal of 19119939 is 93991191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19119939 - 2⁷ = 19119811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19119939.

It is not an unprimeable number, because it can be changed into a prime (19119949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27862 + ... + 28539.

It is an arithmetic number, because the mean of its divisors is an integer number (3214914).

Almost surely, 2^19119939 is an apocalyptic number.

19119939 is a deficient number, since it is larger than the sum of its proper divisors (6599373).

19119939 is a wasteful number, since it uses less digits than its factorization.

19119939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56517.

The product of its digits is 19683, while the sum is 42.

The square root of 19119939 is about 4372.6352466219. The cubic root of 19119939 is about 267.4004707316.

The spelling of 19119939 in words is "nineteen million, one hundred nineteen thousand, nine hundred thirty-nine".