19128096139 has 2 divisors, whose sum is σ = 19128096140. Its totient is φ = 19128096138.

The previous prime is 19128096137. The next prime is 19128096149. The reversal of 19128096139 is 93169082191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19128096139 - 2¹ = 19128096137 is a prime.

Together with 19128096137, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 19128096092 and 19128096101.

It is not a weakly prime, because it can be changed into another prime (19128096137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9564048069 + 9564048070.

It is an arithmetic number, because the mean of its divisors is an integer number (9564048070).

Almost surely, 2^19128096139 is an apocalyptic number.

19128096139 is a deficient number, since it is larger than the sum of its proper divisors (1).

19128096139 is an equidigital number, since it uses as much as digits as its factorization.

19128096139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 49.

The spelling of 19128096139 in words is "nineteen billion, one hundred twenty-eight million, ninety-six thousand, one hundred thirty-nine".