135494223 has 16 divisors (see below), whose sum is σ = 183202560. Its totient is φ = 89063744.

The previous prime is 135494221. The next prime is 135494269. The reversal of 135494223 is 322494531.

135494223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 135494223 - 2¹ = 135494221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135494221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181990 + ... + 182732.

It is an arithmetic number, because the mean of its divisors is an integer number (11450160).

Almost surely, 2^135494223 is an apocalyptic number.

135494223 is a deficient number, since it is larger than the sum of its proper divisors (47708337).

135494223 is an equidigital number, since it uses as much as digits as its factorization.

135494223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518.

The product of its digits is 25920, while the sum is 33.

The square root of 135494223 is about 11640.1985807803. The cubic root of 135494223 is about 513.6180286286.

The spelling of 135494223 in words is "one hundred thirty-five million, four hundred ninety-four thousand, two hundred twenty-three".