135995838 has 16 divisors (see below), whose sum is σ = 296718336. Its totient is φ = 41210840.

The previous prime is 135995837. The next prime is 135995857. The reversal of 135995838 is 838599531.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135995837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030206 + ... + 1030337.

It is an arithmetic number, because the mean of its divisors is an integer number (18544896).

Almost surely, 2^135995838 is an apocalyptic number.

135995838 is an abundant number, since it is smaller than the sum of its proper divisors (160722498).

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

135995838 is a wasteful number, since it uses less digits than its factorization.

135995838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060559.

The product of its digits is 1166400, while the sum is 51.

The square root of 135995838 is about 11661.7253440475. The cubic root of 135995838 is about 514.2510721595.

The spelling of 135995838 in words is "one hundred thirty-five million, nine hundred ninety-five thousand, eight hundred thirty-eight".