135101223 has 8 divisors (see below), whose sum is σ = 200150000. Its totient is φ = 90067464.

The previous prime is 135101207. The next prime is 135101231. The reversal of 135101223 is 322101531.

135101223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135101223 - 2⁴ = 135101207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135101196 and 135101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135101123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2501848 + ... + 2501901.

It is an arithmetic number, because the mean of its divisors is an integer number (25018750).

Almost surely, 2^135101223 is an apocalyptic number.

135101223 is a deficient number, since it is larger than the sum of its proper divisors (65048777).

135101223 is an equidigital number, since it uses as much as digits as its factorization.

135101223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003758 (or 5003752 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 135101223 is about 11623.3051667759. The cubic root of 135101223 is about 513.1209659679.

Adding to 135101223 its reverse (322101531), we get a palindrome (457202754).

The spelling of 135101223 in words is "one hundred thirty-five million, one hundred one thousand, two hundred twenty-three".