1339071457 has 2 divisors, whose sum is σ = 1339071458. Its totient is φ = 1339071456.

The previous prime is 1339071413. The next prime is 1339071463. The reversal of 1339071457 is 7541709331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1100646976 + 238424481 = 33176^2 + 15441^2 .

It is a cyclic number.

It is not a de Polignac number, because 1339071457 - 2¹¹ = 1339069409 is a prime.

It is a super-2 number, since 2×1339071457² = 3586224733904205698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1339071467) 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, 669535728 + 669535729.

It is an arithmetic number, because the mean of its divisors is an integer number (669535729).

Almost surely, 2^1339071457 is an apocalyptic number.

It is an amenable number.

1339071457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339071457 is an equidigital number, since it uses as much as digits as its factorization.

1339071457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 1339071457 is about 36593.3253066731. The cubic root of 1339071457 is about 1102.2190622836.

The spelling of 1339071457 in words is "one billion, three hundred thirty-nine million, seventy-one thousand, four hundred fifty-seven".