13918641133 has 4 divisors (see below), whose sum is σ = 13918929408. Its totient is φ = 13918352860.

The previous prime is 13918641131. The next prime is 13918641157. The reversal of 13918641133 is 33114681931.

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 a cyclic number.

It is not a de Polignac number, because 13918641133 - 2¹ = 13918641131 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13918641131) by changing a digit.

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, 52141 + ... + 174802.

It is an arithmetic number, because the mean of its divisors is an integer number (3479732352).

Almost surely, 2^13918641133 is an apocalyptic number.

It is an amenable number.

13918641133 is a deficient number, since it is larger than the sum of its proper divisors (288275).

13918641133 is an equidigital number, since it uses as much as digits as its factorization.

13918641133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288274.

The product of its digits is 46656, while the sum is 40.

The spelling of 13918641133 in words is "thirteen billion, nine hundred eighteen million, six hundred forty-one thousand, one hundred thirty-three".