135746 has 16 divisors (see below), whose sum is σ = 229824. Its totient is φ = 59664.

The previous prime is 135743. The next prime is 135757. The reversal of 135746 is 647531.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (135743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (14364).

2¹³⁵⁷⁴⁶ is an apocalyptic number.

135746 is a deficient number, since it is larger than the sum of its proper divisors (94078).

135746 is a wasteful number, since it uses less digits than its factorization.

135746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its digits is 2520, while the sum is 26.

The square root of 135746 is about 368.4372402459. The cubic root of 135746 is about 51.3935968849.

The spelling of 135746 in words is "one hundred thirty-five thousand, seven hundred forty-six".