648134 has 4 divisors (see below), whose sum is σ = 972204. Its totient is φ = 324066.

The previous prime is 648133. The next prime is 648173. The reversal of 648134 is 431846.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648134.

It is not an unprimeable number, because it can be changed into a prime (648133) 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, 162032 + ... + 162035.

It is an arithmetic number, because the mean of its divisors is an integer number (243051).

2⁶⁴⁸¹³⁴ is an apocalyptic number.

648134 is a deficient number, since it is larger than the sum of its proper divisors (324070).

648134 is a wasteful number, since it uses less digits than its factorization.

648134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324069.

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

The square root of 648134 is about 805.0676990167. The cubic root of 648134 is about 86.5409386667.

The spelling of 648134 in words is "six hundred forty-eight thousand, one hundred thirty-four".