205552135 has 8 divisors (see below), whose sum is σ = 246746160. Its totient is φ = 164385984.

The previous prime is 205552097. The next prime is 205552153. The reversal of 205552135 is 531255502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205552135 - 2²⁷ = 71334407 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16371 + ... + 26059.

It is an arithmetic number, because the mean of its divisors is an integer number (30843270).

Almost surely, 2^205552135 is an apocalyptic number.

205552135 is a deficient number, since it is larger than the sum of its proper divisors (41194025).

205552135 is an equidigital number, since it uses as much as digits as its factorization.

205552135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13937.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 205552135 is about 14337.0894884562. The cubic root of 205552135 is about 590.1657439162.

The spelling of 205552135 in words is "two hundred five million, five hundred fifty-two thousand, one hundred thirty-five".