13144365263 has 8 divisors (see below), whose sum is σ = 13270788960. Its totient is φ = 13018047840.

The previous prime is 13144365251. The next prime is 13144365271. The reversal of 13144365263 is 36256344131.

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 13144365263 - 2¹⁰ = 13144364239 is a prime.

It is a super-2 number, since 2×13144365263² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144365293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234206 + ... + 284852.

It is an arithmetic number, because the mean of its divisors is an integer number (1658848620).

Almost surely, 2^13144365263 is an apocalyptic number.

13144365263 is a deficient number, since it is larger than the sum of its proper divisors (126423697).

13144365263 is a wasteful number, since it uses less digits than its factorization.

13144365263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53137.

The product of its digits is 155520, while the sum is 38.

The spelling of 13144365263 in words is "thirteen billion, one hundred forty-four million, three hundred sixty-five thousand, two hundred sixty-three".