439117136 has 10 divisors (see below), whose sum is σ = 850789482. Its totient is φ = 219558560.

The previous prime is 439117121. The next prime is 439117141. The reversal of 439117136 is 631711934.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 417957136 + 21160000 = 20444^2 + 4600^2 .

It is a junction number, because it is equal to n+sod(n) for n = 439117096 and 439117105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13722395 + ... + 13722426.

Almost surely, 2^439117136 is an apocalyptic number.

It is an amenable number.

439117136 is a deficient number, since it is larger than the sum of its proper divisors (411672346).

439117136 is a wasteful number, since it uses less digits than its factorization.

439117136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27444829 (or 27444823 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 439117136 is about 20955.1219514466. The cubic root of 439117136 is about 760.0814409494.

The spelling of 439117136 in words is "four hundred thirty-nine million, one hundred seventeen thousand, one hundred thirty-six".