859135 has 4 divisors (see below), whose sum is σ = 1030968. Its totient is φ = 687304.

The previous prime is 859121. The next prime is 859181. The reversal of 859135 is 531958.

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 859135 - 2⁹ = 858623 is a prime.

It is a super-2 number, since 2×859135² = 1476225896450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 859097 and 859106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85909 + ... + 85918.

It is an arithmetic number, because the mean of its divisors is an integer number (257742).

2⁸⁵⁹¹³⁵ is an apocalyptic number.

859135 is a deficient number, since it is larger than the sum of its proper divisors (171833).

859135 is a wasteful number, since it uses less digits than its factorization.

859135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171832.

The product of its digits is 5400, while the sum is 31.

The square root of 859135 is about 926.8953554744. The cubic root of 859135 is about 95.0649601875.

The spelling of 859135 in words is "eight hundred fifty-nine thousand, one hundred thirty-five".