135884843 has 4 divisors (see below), whose sum is σ = 136375680. Its totient is φ = 135394008.

The previous prime is 135884779. The next prime is 135884857. The reversal of 135884843 is 348488531.

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 135884843 - 2⁶ = 135884779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135884794 and 135884803.

It is not an unprimeable number, because it can be changed into a prime (135884863) 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, 245003 + ... + 245556.

It is an arithmetic number, because the mean of its divisors is an integer number (34093920).

Almost surely, 2^135884843 is an apocalyptic number.

135884843 is a deficient number, since it is larger than the sum of its proper divisors (490837).

135884843 is an equidigital number, since it uses as much as digits as its factorization.

135884843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490836.

The product of its digits is 368640, while the sum is 44.

The square root of 135884843 is about 11656.9654284466. The cubic root of 135884843 is about 514.1111295595. Note that the first 4 decimals are identical.

The spelling of 135884843 in words is "one hundred thirty-five million, eight hundred eighty-four thousand, eight hundred forty-three".