135726 has 8 divisors (see below), whose sum is σ = 271464. Its totient is φ = 45240.

The previous prime is 135721. The next prime is 135727. The reversal of 135726 is 627531.

135726 is nontrivially palindromic in base 12.

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

135726 is an admirable number.

135726 is a nontrivial repdigit in base 12.

It is a plaindrome in base 12.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 135696 and 135705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135721) 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, 11305 + ... + 11316.

It is an arithmetic number, because the mean of its divisors is an integer number (33933).

2¹³⁵⁷²⁶ is an apocalyptic number.

135726 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.

135726 is a wasteful number, since it uses less digits than its factorization.

135726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22626.

The product of its digits is 1260, while the sum is 24.

The square root of 135726 is about 368.4100975815. The cubic root of 135726 is about 51.3910727530.

It can be divided in two parts, 135 and 726, that added together give a triangular number (861 = T₄₁).

The spelling of 135726 in words is "one hundred thirty-five thousand, seven hundred twenty-six".