135355836 has 144 divisors (see below), whose sum is σ = 424714752. Its totient is φ = 33062400.

The previous prime is 135355793. The next prime is 135355841. The reversal of 135355836 is 638553531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 135355794 and 135355803.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 109341 + ... + 110571.

It is an arithmetic number, because the mean of its divisors is an integer number (2949408).

Almost surely, 2^135355836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135355836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212357376).

135355836 is an abundant number, since it is smaller than the sum of its proper divisors (289358916).

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

135355836 is a wasteful number, since it uses less digits than its factorization.

135355836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1271 counting only the distinct ones).

The product of its digits is 162000, while the sum is 39.

The square root of 135355836 is about 11634.2527048367. The cubic root of 135355836 is about 513.4431078366.

The spelling of 135355836 in words is "one hundred thirty-five million, three hundred fifty-five thousand, eight hundred thirty-six".