135042 has 16 divisors (see below), whose sum is σ = 274752. Its totient is φ = 44240.

The previous prime is 135029. The next prime is 135043. The reversal of 135042 is 240531.

It is not an unprimeable number, because it can be changed into a prime (135043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268 + ... + 584.

It is an arithmetic number, because the mean of its divisors is an integer number (17172).

2¹³⁵⁰⁴² is an apocalyptic number.

135042 is an abundant number, since it is smaller than the sum of its proper divisors (139710).

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

135042 is a wasteful number, since it uses less digits than its factorization.

135042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 135042 is about 367.4806117335. The cubic root of 135042 is about 51.3045977739.

Adding to 135042 its reverse (240531), we get a palindrome (375573).

The spelling of 135042 in words is "one hundred thirty-five thousand, forty-two".