1439707340 has 24 divisors (see below), whose sum is σ = 3028295760. Its totient is φ = 574947648.

The previous prime is 1439707319. The next prime is 1439707351. The reversal of 1439707340 is 437079341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1439707294 and 1439707303.

It is an unprimeable number.

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, 45767 + ... + 70526.

It is an arithmetic number, because the mean of its divisors is an integer number (126178990).

Almost surely, 2^1439707340 is an apocalyptic number.

1439707340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1439707340 is an abundant number, since it is smaller than the sum of its proper divisors (1588588420).

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

1439707340 is a wasteful number, since it uses less digits than its factorization.

1439707340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116921 (or 116919 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 1439707340 is about 37943.4755919908. The cubic root of 1439707340 is about 1129.1667284729.

The spelling of 1439707340 in words is "one billion, four hundred thirty-nine million, seven hundred seven thousand, three hundred forty".