242207136 has 72 divisors (see below), whose sum is σ = 725044320. Its totient is φ = 76484736.

The previous prime is 242207081. The next prime is 242207153. The reversal of 242207136 is 631702242.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16660 + ... + 27603.

It is an arithmetic number, because the mean of its divisors is an integer number (10070060).

Almost surely, 2^242207136 is an apocalyptic number.

It is an amenable number.

242207136 is an abundant number, since it is smaller than the sum of its proper divisors (482837184).

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

242207136 is a wasteful number, since it uses less digits than its factorization.

242207136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44298 (or 44287 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 242207136 is about 15563.0053652885. The cubic root of 242207136 is about 623.3457145936.

Adding to 242207136 its reverse (631702242), we get a palindrome (873909378).

The spelling of 242207136 in words is "two hundred forty-two million, two hundred seven thousand, one hundred thirty-six".