135344444 has 24 divisors (see below), whose sum is σ = 245061936. Its totient is φ = 65360000.

The previous prime is 135344413. The next prime is 135344501. The reversal of 135344444 is 444443531.

It is a self number, because there is not a number n which added to its sum of digits gives 135344444.

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, 12479 + ... + 20649.

It is an arithmetic number, because the mean of its divisors is an integer number (10210914).

Almost surely, 2^135344444 is an apocalyptic number.

It is an amenable number.

135344444 is a deficient number, since it is larger than the sum of its proper divisors (109717492).

135344444 is a wasteful number, since it uses less digits than its factorization.

135344444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8317 (or 8315 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 135344444 is about 11633.7631057195. The cubic root of 135344444 is about 513.4287030692.

Adding to 135344444 its reverse (444443531), we get a palindrome (579787975).

The spelling of 135344444 in words is "one hundred thirty-five million, three hundred forty-four thousand, four hundred forty-four".