135523435431024 has 120 divisors (see below), whose sum is σ = 380230522439040. Its totient is φ = 45060981508224.

The previous prime is 135523435430947. The next prime is 135523435431113. The reversal of 135523435431024 is 420134534325531.

135523435431024 is a `hidden beast` number, since 1 + 3 + 5 + 52 + 3 + 43 + 543 + 10 + 2 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492626599 + ... + 492901625.

It is an arithmetic number, because the mean of its divisors is an integer number (3168587686992).

Almost surely, 2^{135523435431024} is an apocalyptic number.

It is an amenable number.

135523435431024 is an abundant number, since it is smaller than the sum of its proper divisors (244707087008016).

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

135523435431024 is a wasteful number, since it uses less digits than its factorization.

135523435431024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283627 (or 283618 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

Adding to 135523435431024 its reverse (420134534325531), we get a palindrome (555657969756555).

The spelling of 135523435431024 in words is "one hundred thirty-five trillion, five hundred twenty-three billion, four hundred thirty-five million, four hundred thirty-one thousand, twenty-four".