1339381507 has 2 divisors, whose sum is σ = 1339381508. Its totient is φ = 1339381506.

The previous prime is 1339381489. The next prime is 1339381543. The reversal of 1339381507 is 7051839331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1339381507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1339381507.

It is not a weakly prime, because it can be changed into another prime (1339387507) 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, 669690753 + 669690754.

It is an arithmetic number, because the mean of its divisors is an integer number (669690754).

Almost surely, 2^1339381507 is an apocalyptic number.

1339381507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339381507 is an equidigital number, since it uses as much as digits as its factorization.

1339381507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 1339381507 is about 36597.5614898042. The cubic root of 1339381507 is about 1102.3041253686.

The spelling of 1339381507 in words is "one billion, three hundred thirty-nine million, three hundred eighty-one thousand, five hundred seven".