1339706413 has 2 divisors, whose sum is σ = 1339706414. Its totient is φ = 1339706412.

The previous prime is 1339706371. The next prime is 1339706419. The reversal of 1339706413 is 3146079331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1339706404 + 9 = 36602^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 1339706413 - 2²¹ = 1337609261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1339706419) 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, 669853206 + 669853207.

It is an arithmetic number, because the mean of its divisors is an integer number (669853207).

Almost surely, 2^1339706413 is an apocalyptic number.

It is an amenable number.

1339706413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339706413 is an equidigital number, since it uses as much as digits as its factorization.

1339706413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 1339706413 is about 36602.0001229441. Note that the first 3 decimals coincide. The cubic root of 1339706413 is about 1102.3932501541.

The spelling of 1339706413 in words is "one billion, three hundred thirty-nine million, seven hundred six thousand, four hundred thirteen".