439530136 has 16 divisors (see below), whose sum is σ = 824355000. Its totient is φ = 219702144.

The previous prime is 439530131. The next prime is 439530199. The reversal of 439530136 is 631035934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439530131) 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 3 ways as a sum of consecutive naturals, for example, 36615 + ... + 47113.

Almost surely, 2^439530136 is an apocalyptic number.

It is an amenable number.

439530136 is a deficient number, since it is larger than the sum of its proper divisors (384824864).

439530136 is a wasteful number, since it uses less digits than its factorization.

439530136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15738 (or 15734 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 439530136 is about 20964.9740281261. The cubic root of 439530136 is about 760.3196577761.

The spelling of 439530136 in words is "four hundred thirty-nine million, five hundred thirty thousand, one hundred thirty-six".