135044222 has 4 divisors (see below), whose sum is σ = 202566336. Its totient is φ = 67522110.

The previous prime is 135044197. The next prime is 135044251. The reversal of 135044222 is 222440531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222440531 = 31 ⋅7175501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33761054 + ... + 33761057.

It is an arithmetic number, because the mean of its divisors is an integer number (50641584).

Almost surely, 2^135044222 is an apocalyptic number.

135044222 is a deficient number, since it is larger than the sum of its proper divisors (67522114).

135044222 is an equidigital number, since it uses as much as digits as its factorization.

135044222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67522113.

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

The square root of 135044222 is about 11620.8528946889. The cubic root of 135044222 is about 513.0487916334.

Adding to 135044222 its reverse (222440531), we get a palindrome (357484753).

The spelling of 135044222 in words is "one hundred thirty-five million, forty-four thousand, two hundred twenty-two".