1339734648 has 32 divisors (see below), whose sum is σ = 3827813760. Its totient is φ = 382781280.

The previous prime is 1339734647. The next prime is 1339734679. The reversal of 1339734648 is 8464379331.

It is a junction number, because it is equal to n+sod(n) for n = 1339734597 and 1339734606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339734647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3987138 + ... + 3987473.

It is an arithmetic number, because the mean of its divisors is an integer number (119619180).

Almost surely, 2^1339734648 is an apocalyptic number.

It is an amenable number.

1339734648 is an abundant number, since it is smaller than the sum of its proper divisors (2488079112).

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

1339734648 is a wasteful number, since it uses less digits than its factorization.

1339734648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7974627 (or 7974623 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The square root of 1339734648 is about 36602.3858238777. The cubic root of 1339734648 is about 1102.4009946008.

The spelling of 1339734648 in words is "one billion, three hundred thirty-nine million, seven hundred thirty-four thousand, six hundred forty-eight".