135902 has 8 divisors (see below), whose sum is σ = 219576. Its totient is φ = 62712.

The previous prime is 135899. The next prime is 135911. The reversal of 135902 is 209531.

135902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2588 + ... + 2639.

It is an arithmetic number, because the mean of its divisors is an integer number (27447).

2¹³⁵⁹⁰² is an apocalyptic number.

135902 is a deficient number, since it is larger than the sum of its proper divisors (83674).

135902 is a wasteful number, since it uses less digits than its factorization.

135902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 135902 is about 368.6488844416. The cubic root of 135902 is about 51.4132766099.

The spelling of 135902 in words is "one hundred thirty-five thousand, nine hundred two".