136256 has 14 divisors (see below), whose sum is σ = 270510. Its totient is φ = 68096.

The previous prime is 136247. The next prime is 136261. The reversal of 136256 is 652631.

It can be written as a sum of positive squares in only one way, i.e., 102400 + 33856 = 320^2 + 184^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136256.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001 + ... + 1128.

2¹³⁶²⁵⁶ is an apocalyptic number.

136256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136256 is a deficient number, since it is larger than the sum of its proper divisors (134254).

136256 is an equidigital number, since it uses as much as digits as its factorization.

136256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2131 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 136256 is about 369.1287038419. The cubic root of 136256 is about 51.4578786514.

Adding to 136256 its reverse (652631), we get a palindrome (788887).

It can be divided in two parts, 13625 and 6, that added together give a palindrome (13631).

The spelling of 136256 in words is "one hundred thirty-six thousand, two hundred fifty-six".