242656871135 has 48 divisors (see below), whose sum is σ = 359643787776. Its totient is φ = 153670129536.

The previous prime is 242656871123. The next prime is 242656871141. The reversal of 242656871135 is 531178656242.

It is not a de Polignac number, because 242656871135 - 2⁸ = 242656870879 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 47 ways as a sum of consecutive naturals, for example, 497792 + ... + 856218.

It is an arithmetic number, because the mean of its divisors is an integer number (7492578912).

Almost surely, 2^242656871135 is an apocalyptic number.

242656871135 is a deficient number, since it is larger than the sum of its proper divisors (116986916641).

242656871135 is a wasteful number, since it uses less digits than its factorization.

242656871135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358520 (or 358491 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 50.

The spelling of 242656871135 in words is "two hundred forty-two billion, six hundred fifty-six million, eight hundred seventy-one thousand, one hundred thirty-five".