1338760739 has 2 divisors, whose sum is σ = 1338760740. Its totient is φ = 1338760738.

The previous prime is 1338760723. The next prime is 1338760789. The reversal of 1338760739 is 9370678331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1338760739 - 2⁴ = 1338760723 is a prime.

It is a super-2 number, since 2×1338760739² = 3584560632575652242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1338760693 and 1338760702.

It is not a weakly prime, because it can be changed into another prime (1338760789) 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, 669380369 + 669380370.

It is an arithmetic number, because the mean of its divisors is an integer number (669380370).

Almost surely, 2^1338760739 is an apocalyptic number.

1338760739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338760739 is an equidigital number, since it uses as much as digits as its factorization.

1338760739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 1338760739 is about 36589.0795046828. The cubic root of 1338760739 is about 1102.1338027569.

The spelling of 1338760739 in words is "one billion, three hundred thirty-eight million, seven hundred sixty thousand, seven hundred thirty-nine".