135273042 has 24 divisors (see below), whose sum is σ = 293365020. Its totient is φ = 45048960.

The previous prime is 135273031. The next prime is 135273071. The reversal of 135273042 is 240372531.

135273042 is a `hidden beast` number, since 1 + 352 + 7 + 304 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 99380961 + 35892081 = 9969^2 + 5991^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135272997 and 135273015.

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, 20934 + ... + 26622.

Almost surely, 2^135273042 is an apocalyptic number.

135273042 is an abundant number, since it is smaller than the sum of its proper divisors (158091978).

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

135273042 is a wasteful number, since it uses less digits than its factorization.

135273042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7018 (or 7015 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 135273042 is about 11630.6939603791. The cubic root of 135273042 is about 513.3383994365.

The spelling of 135273042 in words is "one hundred thirty-five million, two hundred seventy-three thousand, forty-two".