13321136146513 has 4 divisors (see below), whose sum is σ = 14345838927028. Its totient is φ = 12296433366000.

The previous prime is 13321136146499. The next prime is 13321136146537. The reversal of 13321136146513 is 31564163112331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8756320155664 + 4564815990849 = 2959108^2 + 2136543^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321136146513 - 2⁹ = 13321136146001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321136140513) 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, 512351390238 + ... + 512351390263.

It is an arithmetic number, because the mean of its divisors is an integer number (3586459731757).

Almost surely, 2^{13321136146513} is an apocalyptic number.

13321136146513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13321136146513 is a deficient number, since it is larger than the sum of its proper divisors (1024702780515).

13321136146513 is a wasteful number, since it uses less digits than its factorization.

13321136146513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024702780514.

The product of its digits is 116640, while the sum is 40.

Adding to 13321136146513 its reverse (31564163112331), we get a palindrome (44885299258844).

The spelling of 13321136146513 in words is "thirteen trillion, three hundred twenty-one billion, one hundred thirty-six million, one hundred forty-six thousand, five hundred thirteen".