15285196139 has 4 divisors (see below), whose sum is σ = 15544267320. Its totient is φ = 15026124960.

The previous prime is 15285196127. The next prime is 15285196151. The reversal of 15285196139 is 93169158251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93169158251 = 13 ⋅7166858327.

It is an interprime number because it is at equal distance from previous prime (15285196127) and next prime (15285196151).

It is a cyclic number.

It is not a de Polignac number, because 15285196139 - 2⁴ = 15285196123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15285196739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129535502 + ... + 129535619.

It is an arithmetic number, because the mean of its divisors is an integer number (3886066830).

Almost surely, 2^15285196139 is an apocalyptic number.

15285196139 is a deficient number, since it is larger than the sum of its proper divisors (259071181).

15285196139 is an equidigital number, since it uses as much as digits as its factorization.

15285196139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259071180.

The product of its digits is 583200, while the sum is 50.

The spelling of 15285196139 in words is "fifteen billion, two hundred eighty-five million, one hundred ninety-six thousand, one hundred thirty-nine".