19138875 has 64 divisors (see below), whose sum is σ = 38098944. Its totient is φ = 8342400.

The previous prime is 19138849. The next prime is 19138877. The reversal of 19138875 is 57883191.

It is not a de Polignac number, because 19138875 - 2⁵ = 19138843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19138877) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60217 + ... + 60533.

It is an arithmetic number, because the mean of its divisors is an integer number (595296).

Almost surely, 2^19138875 is an apocalyptic number.

19138875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19138875 is a deficient number, since it is larger than the sum of its proper divisors (18960069).

19138875 is a wasteful number, since it uses less digits than its factorization.

19138875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 355 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The square root of 19138875 is about 4374.7999954284. The cubic root of 19138875 is about 267.4887176072.

The spelling of 19138875 in words is "nineteen million, one hundred thirty-eight thousand, eight hundred seventy-five".