135827018203 has 4 divisors (see below), whose sum is σ = 135827883288. Its totient is φ = 135826153120.

The previous prime is 135827018161. The next prime is 135827018221. The reversal of 135827018203 is 302810728531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135827018203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135827018233) 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, 123358 + ... + 535603.

It is an arithmetic number, because the mean of its divisors is an integer number (33956970822).

Almost surely, 2^135827018203 is an apocalyptic number.

135827018203 is a deficient number, since it is larger than the sum of its proper divisors (865085).

135827018203 is an equidigital number, since it uses as much as digits as its factorization.

135827018203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865084.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 135827018203 in words is "one hundred thirty-five billion, eight hundred twenty-seven million, eighteen thousand, two hundred three".