13439116542 has 32 divisors (see below), whose sum is σ = 28246660992. Its totient is φ = 4257265824.

The previous prime is 13439116541. The next prime is 13439116601. The reversal of 13439116542 is 24561193431.

It is a self number, because there is not a number n which added to its sum of digits gives 13439116542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13439116541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694368 + ... + 713459.

It is an arithmetic number, because the mean of its divisors is an integer number (882708156).

Almost surely, 2^13439116542 is an apocalyptic number.

13439116542 is an abundant number, since it is smaller than the sum of its proper divisors (14807544450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13439116542 is a wasteful number, since it uses less digits than its factorization.

13439116542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407912.

The product of its digits is 77760, while the sum is 39.

The spelling of 13439116542 in words is "thirteen billion, four hundred thirty-nine million, one hundred sixteen thousand, five hundred forty-two".