135223042 has 16 divisors (see below), whose sum is σ = 209215872. Its totient is φ = 65513200.

The previous prime is 135223037. The next prime is 135223061. The reversal of 135223042 is 240322531.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2373 + ... + 16615.

It is an arithmetic number, because the mean of its divisors is an integer number (13075992).

Almost surely, 2^135223042 is an apocalyptic number.

135223042 is a deficient number, since it is larger than the sum of its proper divisors (73992830).

135223042 is a wasteful number, since it uses less digits than its factorization.

135223042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14393.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 135223042 is about 11628.5442769076. The cubic root of 135223042 is about 513.2751444509.

Adding to 135223042 its reverse (240322531), we get a palindrome (375545573).

The spelling of 135223042 in words is "one hundred thirty-five million, two hundred twenty-three thousand, forty-two".