135894 has 32 divisors (see below), whose sum is σ = 311040. Its totient is φ = 39200.

The previous prime is 135893. The next prime is 135899. The reversal of 135894 is 498531.

It is a nialpdrome in base 11.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1879 + ... + 1949.

It is an arithmetic number, because the mean of its divisors is an integer number (9720).

2¹³⁵⁸⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155520).

135894 is an abundant number, since it is smaller than the sum of its proper divisors (175146).

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

135894 is a wasteful number, since it uses less digits than its factorization.

135894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116.

The product of its digits is 4320, while the sum is 30.

The square root of 135894 is about 368.6380338489. The cubic root of 135894 is about 51.4122677597.

The spelling of 135894 in words is "one hundred thirty-five thousand, eight hundred ninety-four".