13138665753 has 4 divisors (see below), whose sum is σ = 17518221008. Its totient is φ = 8759110500.

The previous prime is 13138665721. The next prime is 13138665767. The reversal of 13138665753 is 35756683131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13138665753 - 2⁵ = 13138665721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13138665703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189777623 + ... + 2189777628.

It is an arithmetic number, because the mean of its divisors is an integer number (4379555252).

Almost surely, 2^13138665753 is an apocalyptic number.

It is an amenable number.

13138665753 is a deficient number, since it is larger than the sum of its proper divisors (4379555255).

13138665753 is an equidigital number, since it uses as much as digits as its factorization.

13138665753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379555254.

The product of its digits is 1360800, while the sum is 48.

The spelling of 13138665753 in words is "thirteen billion, one hundred thirty-eight million, six hundred sixty-five thousand, seven hundred fifty-three".