13438083765 has 8 divisors (see below), whose sum is σ = 21500934048. Its totient is φ = 7166978000.

The previous prime is 13438083751. The next prime is 13438083767. The reversal of 13438083765 is 56738083431.

13438083765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13438083765 - 2⁴ = 13438083749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13438083767) 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 7 ways as a sum of consecutive naturals, for example, 447936111 + ... + 447936140.

It is an arithmetic number, because the mean of its divisors is an integer number (2687616756).

Almost surely, 2^13438083765 is an apocalyptic number.

13438083765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13438083765 is a deficient number, since it is larger than the sum of its proper divisors (8062850283).

13438083765 is an equidigital number, since it uses as much as digits as its factorization.

13438083765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895872259.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 13438083765 in words is "thirteen billion, four hundred thirty-eight million, eighty-three thousand, seven hundred sixty-five".