135615027765629 has 2 divisors, whose sum is σ = 135615027765630. Its totient is φ = 135615027765628.

The previous prime is 135615027765487. The next prime is 135615027765697. The reversal of 135615027765629 is 926567720516531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94664921568100 + 40950106197529 = 9729590^2 + 6399227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135615027765629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135615027765029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67807513882814 + 67807513882815.

It is an arithmetic number, because the mean of its divisors is an integer number (67807513882815).

Almost surely, 2^{135615027765629} is an apocalyptic number.

It is an amenable number.

135615027765629 is a deficient number, since it is larger than the sum of its proper divisors (1).

135615027765629 is an equidigital number, since it uses as much as digits as its factorization.

135615027765629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884000, while the sum is 65.

The spelling of 135615027765629 in words is "one hundred thirty-five trillion, six hundred fifteen billion, twenty-seven million, seven hundred sixty-five thousand, six hundred twenty-nine".