13942402539 has 8 divisors (see below), whose sum is σ = 20019860112. Its totient is φ = 8579940000.

The previous prime is 13942402511. The next prime is 13942402553. The reversal of 13942402539 is 93520424931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13942402539 - 2¹¹ = 13942400491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13942402539.

It is not an unprimeable number, because it can be changed into a prime (13942402589) 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 7 ways as a sum of consecutive naturals, for example, 178748712 + ... + 178748789.

It is an arithmetic number, because the mean of its divisors is an integer number (2502482514).

Almost surely, 2^13942402539 is an apocalyptic number.

13942402539 is a deficient number, since it is larger than the sum of its proper divisors (6077457573).

13942402539 is a wasteful number, since it uses less digits than its factorization.

13942402539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357497517.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 13942402539 in words is "thirteen billion, nine hundred forty-two million, four hundred two thousand, five hundred thirty-nine".