13144301568 has 392 divisors, whose sum is σ = 41256850176. Its totient is φ = 4180377600.

The previous prime is 13144301551. The next prime is 13144301617. The reversal of 13144301568 is 86510344131.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 185130973 + ... + 185131043.

Almost surely, 2^13144301568 is an apocalyptic number.

13144301568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13144301568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20628425088).

13144301568 is an abundant number, since it is smaller than the sum of its proper divisors (28112548608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13144301568 is an frugal number, since it uses more digits than its factorization.

13144301568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 13144301568 its reverse (86510344131), we get a palindrome (99654645699).

The spelling of 13144301568 in words is "thirteen billion, one hundred forty-four million, three hundred one thousand, five hundred sixty-eight".