135539427024 has 60 divisors (see below), whose sum is σ = 401635221156. Its totient is φ = 42522172416.

The previous prime is 135539427017. The next prime is 135539427091. The reversal of 135539427024 is 420724935531.

It is a happy number.

135539427024 is a `hidden beast` number, since 1 + 3 + 5 + 539 + 42 + 70 + 2 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56596410000 + 78943017024 = 237900^2 + 280968^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27681259 + ... + 27686154.

Almost surely, 2^135539427024 is an apocalyptic number.

It is an amenable number.

135539427024 is an abundant number, since it is smaller than the sum of its proper divisors (266095794132).

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

135539427024 is a wasteful number, since it uses less digits than its factorization.

135539427024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55367444 (or 55367435 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 135539427024 in words is "one hundred thirty-five billion, five hundred thirty-nine million, four hundred twenty-seven thousand, twenty-four".