13890115139 has 4 divisors (see below), whose sum is σ = 13918637424. Its totient is φ = 13861592856.

The previous prime is 13890115097. The next prime is 13890115171. The reversal of 13890115139 is 93151109831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13890115139 - 2²⁸ = 13621679683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13890115096 and 13890115105.

It is not an unprimeable number, because it can be changed into a prime (13890115639) 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, 14260412 + ... + 14261385.

It is an arithmetic number, because the mean of its divisors is an integer number (3479659356).

Almost surely, 2^13890115139 is an apocalyptic number.

13890115139 is a deficient number, since it is larger than the sum of its proper divisors (28522285).

13890115139 is an equidigital number, since it uses as much as digits as its factorization.

13890115139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28522284.

The product of its (nonzero) digits is 29160, while the sum is 41.

The spelling of 13890115139 in words is "thirteen billion, eight hundred ninety million, one hundred fifteen thousand, one hundred thirty-nine".