135892 has 12 divisors (see below), whose sum is σ = 242676. Its totient is φ = 66560.

The previous prime is 135887. The next prime is 135893. The reversal of 135892 is 298531.

It can be written as a sum of positive squares in 2 ways, for example, as 111556 + 24336 = 334^2 + 156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109 + ... + 532.

It is an arithmetic number, because the mean of its divisors is an integer number (20223).

2¹³⁵⁸⁹² is an apocalyptic number.

It is an amenable number.

135892 is a deficient number, since it is larger than the sum of its proper divisors (106784).

135892 is a wasteful number, since it uses less digits than its factorization.

135892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 696 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 135892 is about 368.6353211509. The cubic root of 135892 is about 51.4120155410.

The spelling of 135892 in words is "one hundred thirty-five thousand, eight hundred ninety-two".