13129337719 has 4 divisors (see below), whose sum is σ = 13129711920. Its totient is φ = 13128963520.

The previous prime is 13129337657. The next prime is 13129337731. The reversal of 13129337719 is 91773392131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13129337719 - 2¹³ = 13129329527 is a prime.

It is a super-2 number, since 2×13129337719² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13129337759) 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 3 ways as a sum of consecutive naturals, for example, 128314 + ... + 206695.

It is an arithmetic number, because the mean of its divisors is an integer number (3282427980).

Almost surely, 2^13129337719 is an apocalyptic number.

13129337719 is a deficient number, since it is larger than the sum of its proper divisors (374201).

13129337719 is an equidigital number, since it uses as much as digits as its factorization.

13129337719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374200.

The product of its digits is 214326, while the sum is 46.

The spelling of 13129337719 in words is "thirteen billion, one hundred twenty-nine million, three hundred thirty-seven thousand, seven hundred nineteen".