863135 has 24 divisors (see below), whose sum is σ = 1302336. Its totient is φ = 544320.

The previous prime is 863131. The next prime is 863143. The reversal of 863135 is 531368.

It is not a de Polignac number, because 863135 - 2² = 863131 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863131) 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 23 ways as a sum of consecutive naturals, for example, 3050 + ... + 3320.

It is an arithmetic number, because the mean of its divisors is an integer number (54264).

2⁸⁶³¹³⁵ is an apocalyptic number.

863135 is a deficient number, since it is larger than the sum of its proper divisors (439201).

863135 is a wasteful number, since it uses less digits than its factorization.

863135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 296 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 863135 is about 929.0505906569. The cubic root of 863135 is about 95.2122677386.

The spelling of 863135 in words is "eight hundred sixty-three thousand, one hundred thirty-five".