864134 has 4 divisors (see below), whose sum is σ = 1296204. Its totient is φ = 432066.

The previous prime is 864131. The next prime is 864137. The reversal of 864134 is 431468.

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

It is an interprime number because it is at equal distance from previous prime (864131) and next prime (864137).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216032 + ... + 216035.

It is an arithmetic number, because the mean of its divisors is an integer number (324051).

2⁸⁶⁴¹³⁴ is an apocalyptic number.

864134 is a deficient number, since it is larger than the sum of its proper divisors (432070).

864134 is a wasteful number, since it uses less digits than its factorization.

864134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432069.

The product of its digits is 2304, while the sum is 26.

The square root of 864134 is about 929.5880808186. The cubic root of 864134 is about 95.2489867465.

The spelling of 864134 in words is "eight hundred sixty-four thousand, one hundred thirty-four".