135544224 has 48 divisors (see below), whose sum is σ = 356565888. Its totient is φ = 45084672.

The previous prime is 135544177. The next prime is 135544243. The reversal of 135544224 is 422445531.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 135544191 and 135544200.

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, 54169 + ... + 56615.

It is an arithmetic number, because the mean of its divisors is an integer number (7428456).

Almost surely, 2^135544224 is an apocalyptic number.

It is an amenable number.

135544224 is an abundant number, since it is smaller than the sum of its proper divisors (221021664).

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

135544224 is a wasteful number, since it uses less digits than its factorization.

135544224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037 (or 3029 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 135544224 is about 11642.3461553074. The cubic root of 135544224 is about 513.6812004649.

Adding to 135544224 its reverse (422445531), we get a palindrome (557989755).

The spelling of 135544224 in words is "one hundred thirty-five million, five hundred forty-four thousand, two hundred twenty-four".