439514138 has 8 divisors (see below), whose sum is σ = 753452832. Its totient is φ = 188363196.

The previous prime is 439514113. The next prime is 439514149. The reversal of 439514138 is 831415934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15696920 + ... + 15696947.

It is an arithmetic number, because the mean of its divisors is an integer number (94181604).

Almost surely, 2^439514138 is an apocalyptic number.

439514138 is a deficient number, since it is larger than the sum of its proper divisors (313938694).

439514138 is a wasteful number, since it uses less digits than its factorization.

439514138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31393876.

The product of its digits is 51840, while the sum is 38.

The square root of 439514138 is about 20964.5924835185. The cubic root of 439514138 is about 760.3104329695.

The spelling of 439514138 in words is "four hundred thirty-nine million, five hundred fourteen thousand, one hundred thirty-eight".