19138148 has 12 divisors (see below), whose sum is σ = 33992112. Its totient is φ = 9426120.

The previous prime is 19138123. The next prime is 19138151. The reversal of 19138148 is 84183191.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35438 + ... + 35973.

It is an arithmetic number, because the mean of its divisors is an integer number (2832676).

Almost surely, 2^19138148 is an apocalyptic number.

It is an amenable number.

19138148 is a deficient number, since it is larger than the sum of its proper divisors (14853964).

19138148 is a wasteful number, since it uses less digits than its factorization.

19138148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71482 (or 71480 counting only the distinct ones).

The product of its digits is 6912, while the sum is 35.

The square root of 19138148 is about 4374.7169051265. The cubic root of 19138148 is about 267.4853306656.

The spelling of 19138148 in words is "nineteen million, one hundred thirty-eight thousand, one hundred forty-eight".