13129139797 has 16 divisors (see below), whose sum is σ = 14113094400. Its totient is φ = 12169497600.

The previous prime is 13129139789. The next prime is 13129139801. The reversal of 13129139797 is 79793192131.

13129139797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13129139797 - 2³ = 13129139789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13129139767) 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, 526354 + ... + 550732.

It is an arithmetic number, because the mean of its divisors is an integer number (882068400).

Almost surely, 2^13129139797 is an apocalyptic number.

13129139797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13129139797 is a deficient number, since it is larger than the sum of its proper divisors (983954603).

13129139797 is a wasteful number, since it uses less digits than its factorization.

13129139797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24876.

The product of its digits is 642978, while the sum is 52.

The spelling of 13129139797 in words is "thirteen billion, one hundred twenty-nine million, one hundred thirty-nine thousand, seven hundred ninety-seven".