135439384 has 16 divisors (see below), whose sum is σ = 256464720. Its totient is φ = 67048800.

The previous prime is 135439333. The next prime is 135439453. The reversal of 135439384 is 483934531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83004 + ... + 84619.

It is an arithmetic number, because the mean of its divisors is an integer number (16029045).

Almost surely, 2^135439384 is an apocalyptic number.

It is an amenable number.

135439384 is a deficient number, since it is larger than the sum of its proper divisors (121025336).

135439384 is a wasteful number, since it uses less digits than its factorization.

135439384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167730 (or 167726 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 135439384 is about 11637.8427554251. The cubic root of 135439384 is about 513.5487265352.

The spelling of 135439384 in words is "one hundred thirty-five million, four hundred thirty-nine thousand, three hundred eighty-four".