242874135 has 72 divisors (see below), whose sum is σ = 511112160. Its totient is φ = 106178688.

The previous prime is 242874113. The next prime is 242874157. The reversal of 242874135 is 531478242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242874113) and next prime (242874157).

It is not a de Polignac number, because 242874135 - 2¹¹ = 242872087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242874135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 48321 + ... + 53109.

It is an arithmetic number, because the mean of its divisors is an integer number (7098780).

Almost surely, 2^242874135 is an apocalyptic number.

242874135 is an abundant number, since it is smaller than the sum of its proper divisors (268238025).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242874135 is a wasteful number, since it uses less digits than its factorization.

242874135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837 (or 4827 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 242874135 is about 15584.4196234573. The cubic root of 242874135 is about 623.9173876703.

The spelling of 242874135 in words is "two hundred forty-two million, eight hundred seventy-four thousand, one hundred thirty-five".