1439728041 has 8 divisors (see below), whose sum is σ = 1920924000. Its totient is φ = 959175392.

The previous prime is 1439728019. The next prime is 1439728051. The reversal of 1439728041 is 1408279341.

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

It is a cyclic number.

It is not a de Polignac number, because 1439728041 - 2²⁶ = 1372619177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1439728051) 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 7 ways as a sum of consecutive naturals, for example, 155580 + ... + 164573.

It is an arithmetic number, because the mean of its divisors is an integer number (240115500).

Almost surely, 2^1439728041 is an apocalyptic number.

It is an amenable number.

1439728041 is a deficient number, since it is larger than the sum of its proper divisors (481195959).

1439728041 is a wasteful number, since it uses less digits than its factorization.

1439728041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321655.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1439728041 is about 37943.7483783561. The cubic root of 1439728041 is about 1129.1721403988.

The spelling of 1439728041 in words is "one billion, four hundred thirty-nine million, seven hundred twenty-eight thousand, forty-one".