135442213222 has 8 divisors (see below), whose sum is σ = 213856126200. Its totient is φ = 64156837824.

The previous prime is 135442213213. The next prime is 135442213253. The reversal of 135442213222 is 222312244531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782134347 + ... + 1782134422.

It is an arithmetic number, because the mean of its divisors is an integer number (26732015775).

Almost surely, 2^135442213222 is an apocalyptic number.

135442213222 is a deficient number, since it is larger than the sum of its proper divisors (78413912978).

135442213222 is a wasteful number, since it uses less digits than its factorization.

135442213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564268790.

The product of its digits is 23040, while the sum is 31.

Adding to 135442213222 its reverse (222312244531), we get a palindrome (357754457753).

The spelling of 135442213222 in words is "one hundred thirty-five billion, four hundred forty-two million, two hundred thirteen thousand, two hundred twenty-two".