135444322 has 8 divisors (see below), whose sum is σ = 218794716. Its totient is φ = 62512752.

The previous prime is 135444269. The next prime is 135444329. The reversal of 135444322 is 223444531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 135233641 + 210681 = 11629^2 + 459^2 .

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

It is not an unprimeable number, because it can be changed into a prime (135444329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2604673 + ... + 2604724.

Almost surely, 2^135444322 is an apocalyptic number.

135444322 is a deficient number, since it is larger than the sum of its proper divisors (83350394).

135444322 is a wasteful number, since it uses less digits than its factorization.

135444322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5209412.

The product of its digits is 11520, while the sum is 28.

The square root of 135444322 is about 11638.0549062118. The cubic root of 135444322 is about 513.5549676366.

Adding to 135444322 its reverse (223444531), we get a palindrome (358888853).

The spelling of 135444322 in words is "one hundred thirty-five million, four hundred forty-four thousand, three hundred twenty-two".