135896843 has 4 divisors (see below), whose sum is σ = 136157208. Its totient is φ = 135636480.

The previous prime is 135896833. The next prime is 135896909. The reversal of 135896843 is 348698531.

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 135896843 - 2⁶ = 135896779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135896833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129398 + ... + 130443.

It is an arithmetic number, because the mean of its divisors is an integer number (34039302).

Almost surely, 2^135896843 is an apocalyptic number.

135896843 is a deficient number, since it is larger than the sum of its proper divisors (260365).

135896843 is an equidigital number, since it uses as much as digits as its factorization.

135896843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260364.

The product of its digits is 622080, while the sum is 47.

The square root of 135896843 is about 11657.4801308001. The cubic root of 135896843 is about 514.1262628439.

The spelling of 135896843 in words is "one hundred thirty-five million, eight hundred ninety-six thousand, eight hundred forty-three".