1339839601 has 2 divisors, whose sum is σ = 1339839602. Its totient is φ = 1339839600.

The previous prime is 1339839569. The next prime is 1339839607. The reversal of 1339839601 is 1069389331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1088934001 + 250905600 = 32999^2 + 15840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1339839601 - 2⁵ = 1339839569 is a prime.

It is not a weakly prime, because it can be changed into another prime (1339839607) 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 as a sum of consecutive naturals, namely, 669919800 + 669919801.

It is an arithmetic number, because the mean of its divisors is an integer number (669919801).

Almost surely, 2^1339839601 is an apocalyptic number.

It is an amenable number.

1339839601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339839601 is an equidigital number, since it uses as much as digits as its factorization.

1339839601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 1339839601 is about 36603.8194864962. The cubic root of 1339839601 is about 1102.4297807167.

The spelling of 1339839601 in words is "one billion, three hundred thirty-nine million, eight hundred thirty-nine thousand, six hundred one".