135354451223 has 4 divisors (see below), whose sum is σ = 135376384248. Its totient is φ = 135332518200.

The previous prime is 135354451153. The next prime is 135354451229. The reversal of 135354451223 is 322154453531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322154453531 = 269 ⋅1197600199.

It is a cyclic number.

It is not a de Polignac number, because 135354451223 - 2¹² = 135354447127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135354451229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10957253 + ... + 10969598.

It is an arithmetic number, because the mean of its divisors is an integer number (33844096062).

Almost surely, 2^135354451223 is an apocalyptic number.

135354451223 is a deficient number, since it is larger than the sum of its proper divisors (21933025).

135354451223 is an equidigital number, since it uses as much as digits as its factorization.

135354451223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21933024.

The product of its digits is 216000, while the sum is 38.

The spelling of 135354451223 in words is "one hundred thirty-five billion, three hundred fifty-four million, four hundred fifty-one thousand, two hundred twenty-three".