135035335243 has 4 divisors (see below), whose sum is σ = 135156227440. Its totient is φ = 134914443048.

The previous prime is 135035335231. The next prime is 135035335247. The reversal of 135035335243 is 342533530531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342533530531 = 23 ⋅14892762197.

It is a cyclic number.

It is not a de Polignac number, because 135035335243 - 2³³ = 126445400651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135035335247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60444423 + ... + 60446656.

It is an arithmetic number, because the mean of its divisors is an integer number (33789056860).

Almost surely, 2^135035335243 is an apocalyptic number.

135035335243 is a deficient number, since it is larger than the sum of its proper divisors (120892197).

135035335243 is a wasteful number, since it uses less digits than its factorization.

135035335243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120892196.

The product of its (nonzero) digits is 243000, while the sum is 37.

Adding to 135035335243 its reverse (342533530531), we get a palindrome (477568865774).

The spelling of 135035335243 in words is "one hundred thirty-five billion, thirty-five million, three hundred thirty-five thousand, two hundred forty-three".