135013254223 has 4 divisors (see below), whose sum is σ = 137560674168. Its totient is φ = 132465834280.

The previous prime is 135013254197. The next prime is 135013254239. The reversal of 135013254223 is 322452310531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322452310531 = 13 ⋅24804023887.

It is a cyclic number.

It is not a de Polignac number, because 135013254223 - 2²⁵ = 134979699791 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 (135013254263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273709893 + ... + 1273709998.

It is an arithmetic number, because the mean of its divisors is an integer number (34390168542).

Almost surely, 2^135013254223 is an apocalyptic number.

135013254223 is a deficient number, since it is larger than the sum of its proper divisors (2547419945).

135013254223 is an equidigital number, since it uses as much as digits as its factorization.

135013254223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547419944.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 135013254223 its reverse (322452310531), we get a palindrome (457465564754).

The spelling of 135013254223 in words is "one hundred thirty-five billion, thirteen million, two hundred fifty-four thousand, two hundred twenty-three".