135266354416203 has 4 divisors (see below), whose sum is σ = 180355139221608. Its totient is φ = 90177569610800.

The previous prime is 135266354416181. The next prime is 135266354416231. The reversal of 135266354416203 is 302614453662531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135266354416203 - 2²⁹ = 135265817545291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135266354486203) 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, 22544392402698 + ... + 22544392402703.

It is an arithmetic number, because the mean of its divisors is an integer number (45088784805402).

Almost surely, 2^{135266354416203} is an apocalyptic number.

135266354416203 is a deficient number, since it is larger than the sum of its proper divisors (45088784805405).

135266354416203 is an equidigital number, since it uses as much as digits as its factorization.

135266354416203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45088784805404.

The product of its (nonzero) digits is 9331200, while the sum is 51.

The spelling of 135266354416203 in words is "one hundred thirty-five trillion, two hundred sixty-six billion, three hundred fifty-four million, four hundred sixteen thousand, two hundred three".