135524455013 has 2 divisors, whose sum is σ = 135524455014. Its totient is φ = 135524455012.

The previous prime is 135524454979. The next prime is 135524455019. The reversal of 135524455013 is 310554425531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116511630244 + 19012824769 = 341338^2 + 137887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135524455013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135524455019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67762227506 + 67762227507.

It is an arithmetic number, because the mean of its divisors is an integer number (67762227507).

Almost surely, 2^135524455013 is an apocalyptic number.

It is an amenable number.

135524455013 is a deficient number, since it is larger than the sum of its proper divisors (1).

135524455013 is an equidigital number, since it uses as much as digits as its factorization.

135524455013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 135524455013 in words is "one hundred thirty-five billion, five hundred twenty-four million, four hundred fifty-five thousand, thirteen".