243000334135 has 64 divisors (see below), whose sum is σ = 323477796096. Its totient is φ = 174140928000.

The previous prime is 243000334081. The next prime is 243000334139. The reversal of 243000334135 is 531433000342.

It is not a de Polignac number, because 243000334135 - 2¹³ = 243000325943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243000334139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127826685 + ... + 127828585.

It is an arithmetic number, because the mean of its divisors is an integer number (5054340564).

Almost surely, 2^243000334135 is an apocalyptic number.

243000334135 is a deficient number, since it is larger than the sum of its proper divisors (80477461961).

243000334135 is a wasteful number, since it uses less digits than its factorization.

243000334135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 243000334135 its reverse (531433000342), we get a palindrome (774433334477).

The spelling of 243000334135 in words is "two hundred forty-three billion, three hundred thirty-four thousand, one hundred thirty-five".