135942136 has 32 divisors (see below), whose sum is σ = 282787200. Its totient is φ = 60742240.

The previous prime is 135942127. The next prime is 135942179. The reversal of 135942136 is 631249531.

135942136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7900 + ... + 18283.

It is an arithmetic number, because the mean of its divisors is an integer number (8837100).

Almost surely, 2^135942136 is an apocalyptic number.

It is an amenable number.

135942136 is an abundant number, since it is smaller than the sum of its proper divisors (146845064).

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

135942136 is a wasteful number, since it uses less digits than its factorization.

135942136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26259 (or 26255 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 135942136 is about 11659.4226272144. The cubic root of 135942136 is about 514.1833741394.

The spelling of 135942136 in words is "one hundred thirty-five million, nine hundred forty-two thousand, one hundred thirty-six".