135542235259 has 2 divisors, whose sum is σ = 135542235260. Its totient is φ = 135542235258.

The previous prime is 135542235211. The next prime is 135542235287. The reversal of 135542235259 is 952532245531.

It is a strong prime.

It is an emirp because it is prime and its reverse (952532245531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135542235259 - 2¹⁹ = 135541710971 is a prime.

It is a super-2 number, since 2×135542235259² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135542235289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67771117629 + 67771117630.

It is an arithmetic number, because the mean of its divisors is an integer number (67771117630).

Almost surely, 2^135542235259 is an apocalyptic number.

135542235259 is a deficient number, since it is larger than the sum of its proper divisors (1).

135542235259 is an equidigital number, since it uses as much as digits as its factorization.

135542235259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620000, while the sum is 46.

The spelling of 135542235259 in words is "one hundred thirty-five billion, five hundred forty-two million, two hundred thirty-five thousand, two hundred fifty-nine".