13115345739 has 8 divisors (see below), whose sum is σ = 18051228672. Its totient is φ = 8461513320.

The previous prime is 13115345717. The next prime is 13115345741. The reversal of 13115345739 is 93754351131.

It is a happy number.

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

It is not a de Polignac number, because 13115345739 - 2⁷ = 13115345611 is a prime.

It is a super-2 number, since 2×13115345739² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13115345739.

It is not an unprimeable number, because it can be changed into a prime (13115345839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70512519 + ... + 70512704.

It is an arithmetic number, because the mean of its divisors is an integer number (2256403584).

Almost surely, 2^13115345739 is an apocalyptic number.

13115345739 is a deficient number, since it is larger than the sum of its proper divisors (4935882933).

13115345739 is a wasteful number, since it uses less digits than its factorization.

13115345739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141025257.

The product of its digits is 170100, while the sum is 42.

The spelling of 13115345739 in words is "thirteen billion, one hundred fifteen million, three hundred forty-five thousand, seven hundred thirty-nine".