243300134 has 32 divisors (see below), whose sum is σ = 457056000. Its totient is φ = 94364640.

The previous prime is 243300133. The next prime is 243300137. The reversal of 243300134 is 431003342.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243300133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31817 + ... + 38715.

It is an arithmetic number, because the mean of its divisors is an integer number (14283000).

Almost surely, 2^243300134 is an apocalyptic number.

243300134 is a deficient number, since it is larger than the sum of its proper divisors (213755866).

243300134 is a wasteful number, since it uses less digits than its factorization.

243300134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7148.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 243300134 is about 15598.0810999302. The cubic root of 243300134 is about 624.2819563906.

Adding to 243300134 its reverse (431003342), we get a palindrome (674303476).

The spelling of 243300134 in words is "two hundred forty-three million, three hundred thousand, one hundred thirty-four".