1439381712 has 20 divisors (see below), whose sum is σ = 3718402880. Its totient is φ = 479793888.

The previous prime is 1439381701. The next prime is 1439381717. The reversal of 1439381712 is 2171839341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1439381717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14993512 + ... + 14993607.

It is an arithmetic number, because the mean of its divisors is an integer number (185920144).

Almost surely, 2^1439381712 is an apocalyptic number.

1439381712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1439381712 is an abundant number, since it is smaller than the sum of its proper divisors (2279021168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1439381712 is a wasteful number, since it uses less digits than its factorization.

1439381712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29987130 (or 29987124 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 1439381712 is about 37939.1843876486. The cubic root of 1439381712 is about 1129.0815917192.

The spelling of 1439381712 in words is "one billion, four hundred thirty-nine million, three hundred eighty-one thousand, seven hundred twelve".