13798666135 has 4 divisors (see below), whose sum is σ = 16558399368. Its totient is φ = 11038932904.

The previous prime is 13798666051. The next prime is 13798666171. The reversal of 13798666135 is 53166689731.

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 13798666135 - 2¹⁵ = 13798633367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379866609 + ... + 1379866618.

It is an arithmetic number, because the mean of its divisors is an integer number (4139599842).

Almost surely, 2^13798666135 is an apocalyptic number.

13798666135 is a deficient number, since it is larger than the sum of its proper divisors (2759733233).

13798666135 is an equidigital number, since it uses as much as digits as its factorization.

13798666135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759733232.

The product of its digits is 4898880, while the sum is 55.

The spelling of 13798666135 in words is "thirteen billion, seven hundred ninety-eight million, six hundred sixty-six thousand, one hundred thirty-five".