134863 has 4 divisors (see below), whose sum is σ = 135880. Its totient is φ = 133848.

The previous prime is 134857. The next prime is 134867. The reversal of 134863 is 368431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134863 is a prime.

It is a deceptive number, since it divides R₁₃₄₈₆₂.

It is a Duffinian number.

134863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273 + ... + 586.

It is an arithmetic number, because the mean of its divisors is an integer number (33970).

2¹³⁴⁸⁶³ is an apocalyptic number.

134863 is a deficient number, since it is larger than the sum of its proper divisors (1017).

134863 is an equidigital number, since it uses as much as digits as its factorization.

134863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its digits is 1728, while the sum is 25.

The square root of 134863 is about 367.2369807086. The cubic root of 134863 is about 51.2819194377.

The spelling of 134863 in words is "one hundred thirty-four thousand, eight hundred sixty-three".