13519239397 has 8 divisors (see below), whose sum is σ = 13614803744. Its totient is φ = 13423829328.

The previous prime is 13519239373. The next prime is 13519239403. The reversal of 13519239397 is 79393291531.

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

It is a cyclic number.

It is not a de Polignac number, because 13519239397 - 2¹¹ = 13519237349 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 (13519239197) 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 7 ways as a sum of consecutive naturals, for example, 140218 + ... + 216100.

It is an arithmetic number, because the mean of its divisors is an integer number (1701850468).

Almost surely, 2^13519239397 is an apocalyptic number.

It is an amenable number.

13519239397 is a deficient number, since it is larger than the sum of its proper divisors (95564347).

13519239397 is a wasteful number, since it uses less digits than its factorization.

13519239397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77139.

The product of its digits is 1377810, while the sum is 52.

The spelling of 13519239397 in words is "thirteen billion, five hundred nineteen million, two hundred thirty-nine thousand, three hundred ninety-seven".