242135531198 has 16 divisors (see below), whose sum is σ = 396472133376. Its totient is φ = 109992062040.

The previous prime is 242135531189. The next prime is 242135531201. The reversal of 242135531198 is 891135531242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3441536 + ... + 3511187.

It is an arithmetic number, because the mean of its divisors is an integer number (24779508336).

Almost surely, 2^242135531198 is an apocalyptic number.

242135531198 is a deficient number, since it is larger than the sum of its proper divisors (154336602178).

242135531198 is a wasteful number, since it uses less digits than its factorization.

242135531198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6954319.

The product of its digits is 259200, while the sum is 44.

Adding to 242135531198 its sum of digits (44), we get a palindrome (242135531242).

The spelling of 242135531198 in words is "two hundred forty-two billion, one hundred thirty-five million, five hundred thirty-one thousand, one hundred ninety-eight".