135535443 has 4 divisors (see below), whose sum is σ = 180713928. Its totient is φ = 90356960.

The previous prime is 135535423. The next prime is 135535453. The reversal of 135535443 is 344535531.

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

It is a cyclic number.

It is not a de Polignac number, because 135535443 - 2²⁰ = 134486867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135535423) 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, 22589238 + ... + 22589243.

It is an arithmetic number, because the mean of its divisors is an integer number (45178482).

Almost surely, 2^135535443 is an apocalyptic number.

135535443 is a deficient number, since it is larger than the sum of its proper divisors (45178485).

135535443 is an equidigital number, since it uses as much as digits as its factorization.

135535443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45178484.

The product of its digits is 54000, while the sum is 33.

The square root of 135535443 is about 11641.9690344890. The cubic root of 135535443 is about 513.6701075736.

The spelling of 135535443 in words is "one hundred thirty-five million, five hundred thirty-five thousand, four hundred forty-three".