256134 has 8 divisors (see below), whose sum is σ = 512280. Its totient is φ = 85376.

The previous prime is 256133. The next prime is 256147. The reversal of 256134 is 431652.

It is a happy number.

256134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

256134 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 256134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21339 + ... + 21350.

It is an arithmetic number, because the mean of its divisors is an integer number (64035).

2²⁵⁶¹³⁴ is an apocalyptic number.

256134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

256134 is a wasteful number, since it uses less digits than its factorization.

256134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42694.

The product of its digits is 720, while the sum is 21.

The square root of 256134 is about 506.0968286800. The cubic root of 256134 is about 63.5071188828.

Adding to 256134 its reverse (431652), we get a palindrome (687786).

The spelling of 256134 in words is "two hundred fifty-six thousand, one hundred thirty-four".