135223235104242 has 16 divisors (see below), whose sum is σ = 274255575423552. Its totient is φ = 44439560832240.

The previous prime is 135223235104189. The next prime is 135223235104267. The reversal of 135223235104242 is 242401532322531.

It is a self number, because there is not a number n which added to its sum of digits gives 135223235104242.

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, 158712716833 + ... + 158712717684.

It is an arithmetic number, because the mean of its divisors is an integer number (17140973463972).

Almost surely, 2^{135223235104242} is an apocalyptic number.

135223235104242 is an abundant number, since it is smaller than the sum of its proper divisors (139032340319310).

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

135223235104242 is a wasteful number, since it uses less digits than its factorization.

135223235104242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317425434593.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 135223235104242 its reverse (242401532322531), we get a palindrome (377624767426773).

The spelling of 135223235104242 in words is "one hundred thirty-five trillion, two hundred twenty-three billion, two hundred thirty-five million, one hundred four thousand, two hundred forty-two".