1339138963 has 2 divisors, whose sum is σ = 1339138964. Its totient is φ = 1339138962.

The previous prime is 1339138951. The next prime is 1339138973. The reversal of 1339138963 is 3698319331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1339138963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1339138903) 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, 669569481 + 669569482.

It is an arithmetic number, because the mean of its divisors is an integer number (669569482).

Almost surely, 2^1339138963 is an apocalyptic number.

1339138963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339138963 is an equidigital number, since it uses as much as digits as its factorization.

1339138963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 46.

The square root of 1339138963 is about 36594.2476763767. The cubic root of 1339138963 is about 1102.2375838617.

The spelling of 1339138963 in words is "one billion, three hundred thirty-nine million, one hundred thirty-eight thousand, nine hundred sixty-three".