19142019 has 36 divisors (see below), whose sum is σ = 30934176. Its totient is φ = 11333664.

The previous prime is 19141999. The next prime is 19142021. The reversal of 19142019 is 91024191.

It is not a de Polignac number, because 19142019 - 2⁷ = 19141891 is a prime.

It is a super-2 number, since 2×19142019² = 732833782792722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19141983 and 19142001.

It is not an unprimeable number, because it can be changed into a prime (19142069) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 324412 + ... + 324470.

Almost surely, 2^19142019 is an apocalyptic number.

19142019 is a deficient number, since it is larger than the sum of its proper divisors (11792157).

19142019 is a wasteful number, since it uses less digits than its factorization.

19142019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 19142019 is about 4375.1593113851. The cubic root of 19142019 is about 267.5033638614.

The spelling of 19142019 in words is "nineteen million, one hundred forty-two thousand, nineteen".