19118148 has 24 divisors (see below), whose sum is σ = 50981952. Its totient is φ = 5462304.

The previous prime is 19118119. The next prime is 19118153. The reversal of 19118148 is 84181191.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113715 + ... + 113882.

It is an arithmetic number, because the mean of its divisors is an integer number (2124248).

Almost surely, 2^19118148 is an apocalyptic number.

It is an amenable number.

19118148 is an abundant number, since it is smaller than the sum of its proper divisors (31863804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19118148 is a wasteful number, since it uses less digits than its factorization.

19118148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227611 (or 227609 counting only the distinct ones).

The product of its digits is 2304, while the sum is 33.

The square root of 19118148 is about 4372.4304454159. The cubic root of 19118148 is about 267.3921211722.

The spelling of 19118148 in words is "nineteen million, one hundred eighteen thousand, one hundred forty-eight".