135044272 has 80 divisors (see below), whose sum is σ = 295052544. Its totient is φ = 59360000.

The previous prime is 135044251. The next prime is 135044279. The reversal of 135044272 is 272440531.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 135044272.

It is not an unprimeable number, because it can be changed into a prime (135044279) 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, 1262043 + ... + 1262149.

Almost surely, 2^135044272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135044272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147526272).

135044272 is an abundant number, since it is smaller than the sum of its proper divisors (160008272).

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

135044272 is a wasteful number, since it uses less digits than its factorization.

135044272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 135044272 is about 11620.8550459938. The cubic root of 135044272 is about 513.0488549520.

The spelling of 135044272 in words is "one hundred thirty-five million, forty-four thousand, two hundred seventy-two".