13344121340 has 48 divisors (see below), whose sum is σ = 30666765024. Its totient is φ = 4837075200.

The previous prime is 13344121333. The next prime is 13344121367. The reversal of 13344121340 is 4312144331.

It is a happy number.

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, 25931 + ... + 165410.

It is an arithmetic number, because the mean of its divisors is an integer number (638890938).

Almost surely, 2^13344121340 is an apocalyptic number.

13344121340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13344121340 is an abundant number, since it is smaller than the sum of its proper divisors (17322643684).

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

13344121340 is a wasteful number, since it uses less digits than its factorization.

13344121340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191678 (or 191676 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13344121340 its reverse (4312144331), we get a palindrome (17656265671).

The spelling of 13344121340 in words is "thirteen billion, three hundred forty-four million, one hundred twenty-one thousand, three hundred forty".