863655134 has 4 divisors (see below), whose sum is σ = 1295482704. Its totient is φ = 431827566.

The previous prime is 863655059. The next prime is 863655151. The reversal of 863655134 is 431556368.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 863655091 and 863655100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215913782 + ... + 215913785.

It is an arithmetic number, because the mean of its divisors is an integer number (323870676).

Almost surely, 2^863655134 is an apocalyptic number.

863655134 is a deficient number, since it is larger than the sum of its proper divisors (431827570).

863655134 is a wasteful number, since it uses less digits than its factorization.

863655134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431827569.

The product of its digits is 259200, while the sum is 41.

The square root of 863655134 is about 29388.0100381091. The cubic root of 863655134 is about 952.3138919438.

The spelling of 863655134 in words is "eight hundred sixty-three million, six hundred fifty-five thousand, one hundred thirty-four".