13523414137 has 2 divisors, whose sum is σ = 13523414138. Its totient is φ = 13523414136.

The previous prime is 13523414119. The next prime is 13523414143. The reversal of 13523414137 is 73141432531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13414504041 + 108910096 = 115821^2 + 10436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13523414137 is a prime.

It is a super-2 number, since 2×13523414137² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13523414147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6761707068 + 6761707069.

It is an arithmetic number, because the mean of its divisors is an integer number (6761707069).

Almost surely, 2^13523414137 is an apocalyptic number.

It is an amenable number.

13523414137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13523414137 is an equidigital number, since it uses as much as digits as its factorization.

13523414137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

Adding to 13523414137 its reverse (73141432531), we get a palindrome (86664846668).

The spelling of 13523414137 in words is "thirteen billion, five hundred twenty-three million, four hundred fourteen thousand, one hundred thirty-seven".