5138135654513 has 2 divisors, whose sum is σ = 5138135654514. Its totient is φ = 5138135654512.

The previous prime is 5138135654471. The next prime is 5138135654627. The reversal of 5138135654513 is 3154565318315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2651370659809 + 2486764994704 = 1628303^2 + 1576948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5138135654513 is a prime.

It is not a weakly prime, because it can be changed into another prime (5138135654713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2569067827256 + 2569067827257.

It is an arithmetic number, because the mean of its divisors is an integer number (2569067827257).

Almost surely, 2^{5138135654513} is an apocalyptic number.

It is an amenable number.

5138135654513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5138135654513 is an equidigital number, since it uses as much as digits as its factorization.

5138135654513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240000, while the sum is 50.

The spelling of 5138135654513 in words is "five trillion, one hundred thirty-eight billion, one hundred thirty-five million, six hundred fifty-four thousand, five hundred thirteen".