13139265797 has 8 divisors (see below), whose sum is σ = 15029926656. Its totient is φ = 11252010672.

The previous prime is 13139265709. The next prime is 13139265817. The reversal of 13139265797 is 79756293131.

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

It is not a de Polignac number, because 13139265797 - 2²² = 13135071493 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 (13139264797) 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, 843158 + ... + 858599.

It is an arithmetic number, because the mean of its divisors is an integer number (1878740832).

Almost surely, 2^13139265797 is an apocalyptic number.

It is an amenable number.

13139265797 is a deficient number, since it is larger than the sum of its proper divisors (1890660859).

13139265797 is a wasteful number, since it uses less digits than its factorization.

13139265797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702867.

The product of its digits is 2143260, while the sum is 53.

The spelling of 13139265797 in words is "thirteen billion, one hundred thirty-nine million, two hundred sixty-five thousand, seven hundred ninety-seven".