134864 has 10 divisors (see below), whose sum is σ = 261330. Its totient is φ = 67424.

The previous prime is 134857. The next prime is 134867. The reversal of 134864 is 468431.

It can be written as a sum of positive squares in only one way, i.e., 94864 + 40000 = 308^2 + 200^2 .

It is a plaindrome in base 9.

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4199 + ... + 4230.

It is an arithmetic number, because the mean of its divisors is an integer number (26133).

2¹³⁴⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

134864 is a deficient number, since it is larger than the sum of its proper divisors (126466).

134864 is an equidigital number, since it uses as much as digits as its factorization.

134864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8437 (or 8431 counting only the distinct ones).

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

The square root of 134864 is about 367.2383422248. The cubic root of 134864 is about 51.2820461880.

The spelling of 134864 in words is "one hundred thirty-four thousand, eight hundred sixty-four".