13144355894 has 8 divisors (see below), whose sum is σ = 20249413248. Its totient is φ = 6394551480.

The previous prime is 13144355891. The next prime is 13144355921. The reversal of 13144355894 is 49855344131.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144355891) 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, 88813142 + ... + 88813289.

It is an arithmetic number, because the mean of its divisors is an integer number (2531176656).

Almost surely, 2^13144355894 is an apocalyptic number.

13144355894 is a deficient number, since it is larger than the sum of its proper divisors (7105057354).

13144355894 is a wasteful number, since it uses less digits than its factorization.

13144355894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177626470.

The product of its digits is 1036800, while the sum is 47.

The spelling of 13144355894 in words is "thirteen billion, one hundred forty-four million, three hundred fifty-five thousand, eight hundred ninety-four".