1339606517 has 2 divisors, whose sum is σ = 1339606518. Its totient is φ = 1339606516.

The previous prime is 1339606507. The next prime is 1339606529. The reversal of 1339606517 is 7156069331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1339486801 + 119716 = 36599^2 + 346^2 .

It is a cyclic number.

It is not a de Polignac number, because 1339606517 - 2¹² = 1339602421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1339606507) 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 as a sum of consecutive naturals, namely, 669803258 + 669803259.

It is an arithmetic number, because the mean of its divisors is an integer number (669803259).

Almost surely, 2^1339606517 is an apocalyptic number.

It is an amenable number.

1339606517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339606517 is an equidigital number, since it uses as much as digits as its factorization.

1339606517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 1339606517 is about 36600.6354726253. The cubic root of 1339606517 is about 1102.3658492718.

The spelling of 1339606517 in words is "one billion, three hundred thirty-nine million, six hundred six thousand, five hundred seventeen".