19090128 has 40 divisors (see below), whose sum is σ = 49693248. Its totient is φ = 6314752.

The previous prime is 19090103. The next prime is 19090139. The reversal of 19090128 is 82109091.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19090095 and 19090104.

It is a congruent number.

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, 5125 + ... + 8027.

Almost surely, 2^19090128 is an apocalyptic number.

It is an amenable number.

19090128 is an abundant number, since it is smaller than the sum of its proper divisors (30603120).

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

19090128 is a wasteful number, since it uses less digits than its factorization.

19090128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051 (or 3045 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 19090128 is about 4369.2251029216. The cubic root of 19090128 is about 267.2614252748.

The spelling of 19090128 in words is "nineteen million, ninety thousand, one hundred twenty-eight".