13134344402408 has 8 divisors (see below), whose sum is σ = 24626895754530. Its totient is φ = 6567172201200.

The previous prime is 13134344402407. The next prime is 13134344402461. The reversal of 13134344402408 is 80420444343131.

It can be written as a sum of positive squares in only one way, i.e., 6813655648804 + 6320688753604 = 2610298^2 + 2514098^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13134344402408² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13134344402407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820896525143 + ... + 820896525158.

Almost surely, 2^{13134344402408} is an apocalyptic number.

It is an amenable number.

13134344402408 is a deficient number, since it is larger than the sum of its proper divisors (11492551352122).

13134344402408 is a wasteful number, since it uses less digits than its factorization.

13134344402408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641793050307 (or 1641793050303 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 41.

Adding to 13134344402408 its reverse (80420444343131), we get a palindrome (93554788745539).

The spelling of 13134344402408 in words is "thirteen trillion, one hundred thirty-four billion, three hundred forty-four million, four hundred two thousand, four hundred eight".