135020243103 has 16 divisors (see below), whose sum is σ = 188607968256. Its totient is φ = 85809683520.

The previous prime is 135020243069. The next prime is 135020243147. The reversal of 135020243103 is 301342020531.

It is not a de Polignac number, because 135020243103 - 2¹⁰ = 135020242079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135020243203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10828326 + ... + 10840787.

It is an arithmetic number, because the mean of its divisors is an integer number (11787998016).

Almost surely, 2^135020243103 is an apocalyptic number.

135020243103 is a deficient number, since it is larger than the sum of its proper divisors (53587725153).

135020243103 is a wasteful number, since it uses less digits than its factorization.

135020243103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21669214.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 135020243103 its reverse (301342020531), we get a palindrome (436362263634).

The spelling of 135020243103 in words is "one hundred thirty-five billion, twenty million, two hundred forty-three thousand, one hundred three".