242198966136 has 128 divisors (see below), whose sum is σ = 669382963200. Its totient is φ = 72637593600.

The previous prime is 242198966131. The next prime is 242198966197. The reversal of 242198966136 is 631669891242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242198966131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18301570 + ... + 18314798.

It is an arithmetic number, because the mean of its divisors is an integer number (5229554400).

Almost surely, 2^242198966136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242198966136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334691481600).

242198966136 is an abundant number, since it is smaller than the sum of its proper divisors (427183997064).

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

242198966136 is a wasteful number, since it uses less digits than its factorization.

242198966136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15229 (or 15225 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The spelling of 242198966136 in words is "two hundred forty-two billion, one hundred ninety-eight million, nine hundred sixty-six thousand, one hundred thirty-six".