135332444 has 48 divisors (see below), whose sum is σ = 279417600. Its totient is φ = 56749056.

The previous prime is 135332443. The next prime is 135332467. The reversal of 135332444 is 444233531.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135332441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22997 + ... + 28275.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^135332444 is an apocalyptic number.

It is an amenable number.

135332444 is an abundant number, since it is smaller than the sum of its proper divisors (144085156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135332444 is a wasteful number, since it uses less digits than its factorization.

135332444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5342 (or 5340 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 135332444 is about 11633.2473540280. The cubic root of 135332444 is about 513.4135286339.

Adding to 135332444 its reverse (444233531), we get a palindrome (579565975).

The spelling of 135332444 in words is "one hundred thirty-five million, three hundred thirty-two thousand, four hundred forty-four".