13119747144 has 128 divisors (see below), whose sum is σ = 39743447040. Its totient is φ = 3523249152.

The previous prime is 13119747143. The next prime is 13119747163. The reversal of 13119747144 is 44174791131.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 13119747096 and 13119747105.

It is not an unprimeable number, because it can be changed into a prime (13119747143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2462067 + ... + 2467389.

It is an arithmetic number, because the mean of its divisors is an integer number (310495680).

Almost surely, 2^13119747144 is an apocalyptic number.

13119747144 is a gapful number since it is divisible by the number (14) 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 13119747144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19871723520).

13119747144 is an abundant number, since it is smaller than the sum of its proper divisors (26623699896).

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

13119747144 is a wasteful number, since it uses less digits than its factorization.

13119747144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219 (or 6215 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The spelling of 13119747144 in words is "thirteen billion, one hundred nineteen million, seven hundred forty-seven thousand, one hundred forty-four".