135054423 has 24 divisors (see below), whose sum is σ = 223255968. Its totient is φ = 77067072.

The previous prime is 135054419. The next prime is 135054431. The reversal of 135054423 is 324450531.

It is not a de Polignac number, because 135054423 - 2² = 135054419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135054523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77065 + ... + 78797.

It is an arithmetic number, because the mean of its divisors is an integer number (9302332).

Almost surely, 2^135054423 is an apocalyptic number.

135054423 is a deficient number, since it is larger than the sum of its proper divisors (88201545).

135054423 is a wasteful number, since it uses less digits than its factorization.

135054423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983 (or 2980 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 135054423 is about 11621.2917956654. The cubic root of 135054423 is about 513.0617095721.

The spelling of 135054423 in words is "one hundred thirty-five million, fifty-four thousand, four hundred twenty-three".