135440000242303 has 24 divisors (see below), whose sum is σ = 137176005759408. Its totient is φ = 133721424734976.

The previous prime is 135440000242301. The next prime is 135440000242343. The reversal of 135440000242303 is 303242000044531.

It is a happy number.

It is not a de Polignac number, because 135440000242303 - 2¹ = 135440000242301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135440000242301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8157553600 + ... + 8157570202.

It is an arithmetic number, because the mean of its divisors is an integer number (5715666906642).

Almost surely, 2^{135440000242303} is an apocalyptic number.

135440000242303 is a deficient number, since it is larger than the sum of its proper divisors (1736005517105).

135440000242303 is a wasteful number, since it uses less digits than its factorization.

135440000242303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19003 (or 18846 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 135440000242303 its reverse (303242000044531), we get a palindrome (438682000286834).

The spelling of 135440000242303 in words is "one hundred thirty-five trillion, four hundred forty billion, two hundred forty-two thousand, three hundred three".