439138095 has 32 divisors (see below), whose sum is σ = 791230464. Its totient is φ = 206044800.

The previous prime is 439138043. The next prime is 439138123. The reversal of 439138095 is 590831934.

It is not a de Polignac number, because 439138095 - 2¹² = 439133999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37812 + ... + 48041.

It is an arithmetic number, because the mean of its divisors is an integer number (24725952).

Almost surely, 2^439138095 is an apocalyptic number.

439138095 is a deficient number, since it is larger than the sum of its proper divisors (352092369).

439138095 is a wasteful number, since it uses less digits than its factorization.

439138095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85903.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 439138095 is about 20955.6220380117. The cubic root of 439138095 is about 760.0935336176.

It can be divided in two parts, 4391 and 38095, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 439138095 in words is "four hundred thirty-nine million, one hundred thirty-eight thousand, ninety-five".