13523532137 has 2 divisors, whose sum is σ = 13523532138. Its totient is φ = 13523532136.

The previous prime is 13523532109. The next prime is 13523532167. The reversal of 13523532137 is 73123532531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7705503961 + 5818028176 = 87781^2 + 76276^2 .

It is a cyclic number.

It is not a de Polignac number, because 13523532137 - 2²⁰ = 13522483561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13523532097 and 13523532106.

It is not a weakly prime, because it can be changed into another prime (13523532167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6761766068 + 6761766069.

It is an arithmetic number, because the mean of its divisors is an integer number (6761766069).

Almost surely, 2^13523532137 is an apocalyptic number.

It is an amenable number.

13523532137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13523532137 is an equidigital number, since it uses as much as digits as its factorization.

13523532137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 35.

The spelling of 13523532137 in words is "thirteen billion, five hundred twenty-three million, five hundred thirty-two thousand, one hundred thirty-seven".