135384444 has 36 divisors (see below), whose sum is σ = 368547816. Its totient is φ = 41656608.

The previous prime is 135384391. The next prime is 135384449. The reversal of 135384444 is 444483531.

135384444 is a `hidden beast` number, since 135 + 3 + 84 + 444 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 135384399 and 135384408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135384449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144174 + ... + 145109.

Almost surely, 2^135384444 is an apocalyptic number.

It is an amenable number.

135384444 is an abundant number, since it is smaller than the sum of its proper divisors (233163372).

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

135384444 is a wasteful number, since it uses less digits than its factorization.

135384444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289306 (or 289301 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 135384444 is about 11635.4821129165. The cubic root of 135384444 is about 513.4792780433.

The spelling of 135384444 in words is "one hundred thirty-five million, three hundred eighty-four thousand, four hundred forty-four".