15180439139 has 16 divisors (see below), whose sum is σ = 16696108800. Its totient is φ = 13738085856.

The previous prime is 15180439129. The next prime is 15180439147. The reversal of 15180439139 is 93193408151.

15180439139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15180439139 - 2⁸ = 15180438883 is a prime.

It is a super-2 number, since 2×15180439139² (a number of 21 digits) contains 22 as substring.

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 15180439139.

It is not an unprimeable number, because it can be changed into a prime (15180439129) 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 15 ways as a sum of consecutive naturals, for example, 315332 + ... + 360270.

It is an arithmetic number, because the mean of its divisors is an integer number (1043506800).

Almost surely, 2^15180439139 is an apocalyptic number.

15180439139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

15180439139 is a deficient number, since it is larger than the sum of its proper divisors (1515669661).

15180439139 is a wasteful number, since it uses less digits than its factorization.

15180439139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45754.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 15180439139 in words is "fifteen billion, one hundred eighty million, four hundred thirty-nine thousand, one hundred thirty-nine".