135315435255 has 96 divisors (see below), whose sum is σ = 295882771968. Its totient is φ = 51909177600.

The previous prime is 135315435251. The next prime is 135315435289. The reversal of 135315435255 is 552534513531.

It is not a de Polignac number, because 135315435255 - 2² = 135315435251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135315435251) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 538611 + ... + 748820.

It is an arithmetic number, because the mean of its divisors is an integer number (3082112208).

Almost surely, 2^135315435255 is an apocalyptic number.

135315435255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135315435255 is an abundant number, since it is smaller than the sum of its proper divisors (160567336713).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135315435255 is a wasteful number, since it uses less digits than its factorization.

135315435255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287477 (or 1287470 counting only the distinct ones).

The product of its digits is 675000, while the sum is 42.

Adding to 135315435255 its reverse (552534513531), we get a palindrome (687849948786).

The spelling of 135315435255 in words is "one hundred thirty-five billion, three hundred fifteen million, four hundred thirty-five thousand, two hundred fifty-five".