135843789999 has 8 divisors (see below), whose sum is σ = 181134986112. Its totient is φ = 90557560280.

The previous prime is 135843789989. The next prime is 135843790003. The reversal of 135843789999 is 999987348531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135843789999 - 2¹¹ = 135843787951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135843789999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135843789989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177299 + ... + 1287524.

It is an arithmetic number, because the mean of its divisors is an integer number (22641873264).

Almost surely, 2^135843789999 is an apocalyptic number.

135843789999 is a deficient number, since it is larger than the sum of its proper divisors (45291196113).

135843789999 is a wasteful number, since it uses less digits than its factorization.

135843789999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483197.

The product of its digits is 529079040, while the sum is 75.

The spelling of 135843789999 in words is "one hundred thirty-five billion, eight hundred forty-three million, seven hundred eighty-nine thousand, nine hundred ninety-nine".