19319128 has 16 divisors (see below), whose sum is σ = 36270000. Its totient is φ = 9647136.

The previous prime is 19319117. The next prime is 19319129. The reversal of 19319128 is 82191391.

It is a junction number, because it is equal to n+sod(n) for n = 19319093 and 19319102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19319129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11613 + ... + 13171.

It is an arithmetic number, because the mean of its divisors is an integer number (2266875).

Almost surely, 2^19319128 is an apocalyptic number.

It is an amenable number.

19319128 is a deficient number, since it is larger than the sum of its proper divisors (16950872).

19319128 is a wasteful number, since it uses less digits than its factorization.

19319128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114 (or 3110 counting only the distinct ones).

The product of its digits is 3888, while the sum is 34.

The square root of 19319128 is about 4395.3530006133. The cubic root of 19319128 is about 268.3258455875.

It can be divided in two parts, 193 and 19128, that added together give a square (19321 = 139²).

The spelling of 19319128 in words is "nineteen million, three hundred nineteen thousand, one hundred twenty-eight".