1439989041 has 8 divisors (see below), whose sum is σ = 1923397920. Its totient is φ = 958286432.

The previous prime is 1439989039. The next prime is 1439989087. The reversal of 1439989041 is 1409899341.

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 1439989041 - 2¹ = 1439989039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1439989141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 424596 + ... + 427973.

It is an arithmetic number, because the mean of its divisors is an integer number (240424740).

Almost surely, 2^1439989041 is an apocalyptic number.

It is an amenable number.

1439989041 is a deficient number, since it is larger than the sum of its proper divisors (483408879).

1439989041 is an equidigital number, since it uses as much as digits as its factorization.

1439989041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853135.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 1439989041 is about 37947.1875242422. The cubic root of 1439989041 is about 1129.2403699795.

The spelling of 1439989041 in words is "one billion, four hundred thirty-nine million, nine hundred eighty-nine thousand, forty-one".