135056533 has 4 divisors (see below), whose sum is σ = 135322380. Its totient is φ = 134790688.

The previous prime is 135056531. The next prime is 135056539. The reversal of 135056533 is 335650531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104387089 + 30669444 = 10217^2 + 5538^2 .

It is a cyclic number.

It is not a de Polignac number, because 135056533 - 2¹ = 135056531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135056495 and 135056504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135056531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132160 + ... + 133177.

It is an arithmetic number, because the mean of its divisors is an integer number (33830595).

Almost surely, 2^135056533 is an apocalyptic number.

It is an amenable number.

135056533 is a deficient number, since it is larger than the sum of its proper divisors (265847).

135056533 is an equidigital number, since it uses as much as digits as its factorization.

135056533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265846.

The product of its (nonzero) digits is 20250, while the sum is 31.

The square root of 135056533 is about 11621.3825769570. The cubic root of 135056533 is about 513.0643814692.

The spelling of 135056533 in words is "one hundred thirty-five million, fifty-six thousand, five hundred thirty-three".