135524808425519 has 2 divisors, whose sum is σ = 135524808425520. Its totient is φ = 135524808425518.

The previous prime is 135524808425509. The next prime is 135524808425551. The reversal of 135524808425519 is 915524808425531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135524808425519 - 2²⁰ = 135524807376943 is a prime.

It is a super-2 number, since 2×135524808425519² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135524808425509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67762404212759 + 67762404212760.

It is an arithmetic number, because the mean of its divisors is an integer number (67762404212760).

Almost surely, 2^{135524808425519} is an apocalyptic number.

135524808425519 is a deficient number, since it is larger than the sum of its proper divisors (1).

135524808425519 is an equidigital number, since it uses as much as digits as its factorization.

135524808425519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120000, while the sum is 62.

The spelling of 135524808425519 in words is "one hundred thirty-five trillion, five hundred twenty-four billion, eight hundred eight million, four hundred twenty-five thousand, five hundred nineteen".