1439714736 has 120 divisors (see below), whose sum is σ = 4194262800. Its totient is φ = 478089216.

The previous prime is 1439714719. The next prime is 1439714743. The reversal of 1439714736 is 6374179341.

It is a junction number, because it is equal to n+sod(n) for n = 1439714691 and 1439714700.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1371940 + ... + 1372988.

It is an arithmetic number, because the mean of its divisors is an integer number (34952190).

Almost surely, 2^1439714736 is an apocalyptic number.

1439714736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1439714736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2097131400).

1439714736 is an abundant number, since it is smaller than the sum of its proper divisors (2754548064).

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

1439714736 is a wasteful number, since it uses less digits than its factorization.

1439714736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1407 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 1439714736 is about 37943.5730526264. The cubic root of 1439714736 is about 1129.1686620378.

The spelling of 1439714736 in words is "one billion, four hundred thirty-nine million, seven hundred fourteen thousand, seven hundred thirty-six".