135813786 has 32 divisors (see below), whose sum is σ = 295790400. Its totient is φ = 41408640.

The previous prime is 135813773. The next prime is 135813793. The reversal of 135813786 is 687318531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17235 + ... + 23846.

It is an arithmetic number, because the mean of its divisors is an integer number (9243450).

Almost surely, 2^135813786 is an apocalyptic number.

135813786 is an abundant number, since it is smaller than the sum of its proper divisors (159976614).

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

135813786 is a wasteful number, since it uses less digits than its factorization.

135813786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41134.

The product of its digits is 120960, while the sum is 42.

The square root of 135813786 is about 11653.9171955184. The cubic root of 135813786 is about 514.0215008140.

The spelling of 135813786 in words is "one hundred thirty-five million, eight hundred thirteen thousand, seven hundred eighty-six".