135626 has 8 divisors (see below), whose sum is σ = 215460. Its totient is φ = 63808.

The previous prime is 135623. The next prime is 135637. The reversal of 135626 is 626531.

It can be written as a sum of positive squares in 2 ways, for example, as 133225 + 2401 = 365^2 + 49^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135623) 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, 1961 + ... + 2028.

2¹³⁵⁶²⁶ is an apocalyptic number.

135626 is a deficient number, since it is larger than the sum of its proper divisors (79834).

135626 is a wasteful number, since it uses less digits than its factorization.

135626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008.

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

The square root of 135626 is about 368.2743542524. The cubic root of 135626 is about 51.3784483727.

The spelling of 135626 in words is "one hundred thirty-five thousand, six hundred twenty-six".