135436 has 18 divisors (see below), whose sum is σ = 276108. Its totient is φ = 57960.

The previous prime is 135433. The next prime is 135449. The reversal of 135436 is 634531.

It is not an unprimeable number, because it can be changed into a prime (135431) 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 5 ways as a sum of consecutive naturals, for example, 150 + ... + 541.

2¹³⁵⁴³⁶ is an apocalyptic number.

It is an amenable number.

135436 is an abundant number, since it is smaller than the sum of its proper divisors (140672).

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

135436 is a wasteful number, since it uses less digits than its factorization.

135436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709 (or 700 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 135436 is about 368.0163039867. The cubic root of 135436 is about 51.3544449435.

Adding to 135436 its reverse (634531), we get a palindrome (769967).

The spelling of 135436 in words is "one hundred thirty-five thousand, four hundred thirty-six".