135424223 has 8 divisors (see below), whose sum is σ = 148300416. Its totient is φ = 122642200.

The previous prime is 135424187. The next prime is 135424241. The reversal of 135424223 is 322424531.

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 135424223 - 2¹⁶ = 135358687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135424192 and 135424201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135424823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20513 + ... + 26298.

It is an arithmetic number, because the mean of its divisors is an integer number (18537552).

Almost surely, 2^135424223 is an apocalyptic number.

135424223 is a deficient number, since it is larger than the sum of its proper divisors (12876193).

135424223 is a wasteful number, since it uses less digits than its factorization.

135424223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47085.

The product of its digits is 5760, while the sum is 26.

The square root of 135424223 is about 11637.1913707733. The cubic root of 135424223 is about 513.5295637123.

Adding to 135424223 its reverse (322424531), we get a palindrome (457848754).

The spelling of 135424223 in words is "one hundred thirty-five million, four hundred twenty-four thousand, two hundred twenty-three".