19138675 has 12 divisors (see below), whose sum is σ = 23842720. Its totient is φ = 15239520.

The previous prime is 19138673. The next prime is 19138699. The reversal of 19138675 is 57683191.

It is not a de Polignac number, because 19138675 - 2¹ = 19138673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19138673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4054 + ... + 7396.

Almost surely, 2^19138675 is an apocalyptic number.

19138675 is a deficient number, since it is larger than the sum of its proper divisors (4704045).

19138675 is a wasteful number, since it uses less digits than its factorization.

19138675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3582 (or 3577 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 19138675 is about 4374.7771371808. Note that the first 3 decimals coincide. The cubic root of 19138675 is about 267.4877858574.

The spelling of 19138675 in words is "nineteen million, one hundred thirty-eight thousand, six hundred seventy-five".