243730237135 has 32 divisors (see below), whose sum is σ = 364869453312. Its totient is φ = 151842526080.

The previous prime is 243730237117. The next prime is 243730237147. The reversal of 243730237135 is 531732037342.

It is a de Polignac number, because none of the positive numbers 2^k-243730237135 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 436884 + ... + 823606.

It is an arithmetic number, because the mean of its divisors is an integer number (11402170416).

Almost surely, 2^243730237135 is an apocalyptic number.

243730237135 is a deficient number, since it is larger than the sum of its proper divisors (121139216177).

243730237135 is a wasteful number, since it uses less digits than its factorization.

243730237135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388383.

The product of its (nonzero) digits is 317520, while the sum is 40.

The spelling of 243730237135 in words is "two hundred forty-three billion, seven hundred thirty million, two hundred thirty-seven thousand, one hundred thirty-five".