135042422 has 16 divisors (see below), whose sum is σ = 204174432. Its totient is φ = 66986880.

The previous prime is 135042331. The next prime is 135042461. The reversal of 135042422 is 224240531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242168 + ... + 242724.

It is an arithmetic number, because the mean of its divisors is an integer number (12760902).

Almost surely, 2^135042422 is an apocalyptic number.

135042422 is a deficient number, since it is larger than the sum of its proper divisors (69132010).

135042422 is a wasteful number, since it uses less digits than its factorization.

135042422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 135042422 is about 11620.7754474476. The cubic root of 135042422 is about 513.0465121531.

Adding to 135042422 its reverse (224240531), we get a palindrome (359282953).

The spelling of 135042422 in words is "one hundred thirty-five million, forty-two thousand, four hundred twenty-two".