805135 has 8 divisors (see below), whose sum is σ = 971280. Its totient is φ = 640704.

The previous prime is 805121. The next prime is 805153. The reversal of 805135 is 531508.

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 805135 - 2¹¹ = 803087 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131 + ... + 1699.

It is an arithmetic number, because the mean of its divisors is an integer number (121410).

2⁸⁰⁵¹³⁵ is an apocalyptic number.

805135 is a deficient number, since it is larger than the sum of its proper divisors (166145).

805135 is a wasteful number, since it uses less digits than its factorization.

805135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 805135 is about 897.2931516511. The cubic root of 805135 is about 93.0299745365.

The spelling of 805135 in words is "eight hundred five thousand, one hundred thirty-five".