19052147138 has 16 divisors (see below), whose sum is σ = 28675520640. Its totient is φ = 9493681776.

The previous prime is 19052147131. The next prime is 19052147143. The reversal of 19052147138 is 83174125091.

It is a junction number, because it is equal to n+sod(n) for n = 19052147095 and 19052147104.

It is not an unprimeable number, because it can be changed into a prime (19052147131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988631 + ... + 1007717.

It is an arithmetic number, because the mean of its divisors is an integer number (1792220040).

Almost surely, 2^19052147138 is an apocalyptic number.

19052147138 is a deficient number, since it is larger than the sum of its proper divisors (9623373502).

19052147138 is a wasteful number, since it uses less digits than its factorization.

19052147138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20761.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 19052147138 in words is "nineteen billion, fifty-two million, one hundred forty-seven thousand, one hundred thirty-eight".