13402440221213 has 8 divisors (see below), whose sum is σ = 13687650805248. Its totient is φ = 13117231815664.

The previous prime is 13402440221189. The next prime is 13402440221227. The reversal of 13402440221213 is 31212204420431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13402440221213 - 2³⁴ = 13385260352029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402440223213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20245820 + ... + 20897322.

It is an arithmetic number, because the mean of its divisors is an integer number (1710956350656).

Almost surely, 2^{13402440221213} is an apocalyptic number.

It is an amenable number.

13402440221213 is a deficient number, since it is larger than the sum of its proper divisors (285210584035).

13402440221213 is an equidigital number, since it uses as much as digits as its factorization.

13402440221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089243.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 13402440221213 its reverse (31212204420431), we get a palindrome (44614644641644).

The spelling of 13402440221213 in words is "thirteen trillion, four hundred two billion, four hundred forty million, two hundred twenty-one thousand, two hundred thirteen".