134856 has 24 divisors (see below), whose sum is σ = 365430. Its totient is φ = 44928.

The previous prime is 134851. The next prime is 134857. The reversal of 134856 is 658431.

It can be written as a sum of positive squares in only one way, i.e., 133956 + 900 = 366^2 + 30^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×134856² = 36372281472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134851) by changing a digit.

134856 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 865 + ... + 1008.

2¹³⁴⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

134856 is an abundant number, since it is smaller than the sum of its proper divisors (230574).

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

134856 is a wasteful number, since it uses less digits than its factorization.

134856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1878 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 134856 is about 367.2274499544. The cubic root of 134856 is about 51.2810321678.

It can be divided in two parts, 134 and 856, that added together give a triangular number (990 = T₄₄).

The spelling of 134856 in words is "one hundred thirty-four thousand, eight hundred fifty-six".