19142918 has 16 divisors (see below), whose sum is σ = 32004720. Its totient is φ = 8534016.

The previous prime is 19142917. The next prime is 19142927. The reversal of 19142918 is 81924191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19142917) 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, 14171 + ... + 15462.

It is an arithmetic number, because the mean of its divisors is an integer number (2000295).

Almost surely, 2^19142918 is an apocalyptic number.

19142918 is a deficient number, since it is larger than the sum of its proper divisors (12861802).

19142918 is a wasteful number, since it uses less digits than its factorization.

19142918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29671.

The product of its digits is 5184, while the sum is 35.

The square root of 19142918 is about 4375.2620492949. The cubic root of 19142918 is about 267.5075515381.

The spelling of 19142918 in words is "nineteen million, one hundred forty-two thousand, nine hundred eighteen".