13140232453344 has 96 divisors (see below), whose sum is σ = 34855146498816. Its totient is φ = 4334121308160.

The previous prime is 13140232453267. The next prime is 13140232453351. The reversal of 13140232453344 is 44335423204131.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51377109 + ... + 51632235.

It is an arithmetic number, because the mean of its divisors is an integer number (363074442696).

Almost surely, 2^{13140232453344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13140232453344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17427573249408).

13140232453344 is an abundant number, since it is smaller than the sum of its proper divisors (21714914045472).

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

13140232453344 is a wasteful number, since it uses less digits than its factorization.

13140232453344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260768 (or 260760 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 13140232453344 its reverse (44335423204131), we get a palindrome (57475655657475).

The spelling of 13140232453344 in words is "thirteen trillion, one hundred forty billion, two hundred thirty-two million, four hundred fifty-three thousand, three hundred forty-four".