15139782313 has 4 divisors (see below), whose sum is σ = 15145971840. Its totient is φ = 15133592788.

The previous prime is 15139782277. The next prime is 15139782319. The reversal of 15139782313 is 31328793151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31328793151 = 1721 ⋅18203831.

It is a cyclic number.

It is not a de Polignac number, because 15139782313 - 2¹³ = 15139774121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15139782313.

It is not an unprimeable number, because it can be changed into a prime (15139782319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3091093 + ... + 3095986.

It is an arithmetic number, because the mean of its divisors is an integer number (3786492960).

Almost surely, 2^15139782313 is an apocalyptic number.

It is an amenable number.

15139782313 is a deficient number, since it is larger than the sum of its proper divisors (6189527).

15139782313 is an equidigital number, since it uses as much as digits as its factorization.

15139782313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189526.

The product of its digits is 136080, while the sum is 43.

The spelling of 15139782313 in words is "fifteen billion, one hundred thirty-nine million, seven hundred eighty-two thousand, three hundred thirteen".