1338452039 has 2 divisors, whose sum is σ = 1338452040. Its totient is φ = 1338452038.

The previous prime is 1338452033. The next prime is 1338452047. The reversal of 1338452039 is 9302548331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1338452039 - 2⁸ = 1338451783 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1338451993 and 1338452011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338452033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669226019 + 669226020.

It is an arithmetic number, because the mean of its divisors is an integer number (669226020).

Almost surely, 2^1338452039 is an apocalyptic number.

1338452039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338452039 is an equidigital number, since it uses as much as digits as its factorization.

1338452039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1338452039 is about 36584.8607896764. The cubic root of 1338452039 is about 1102.0490838949.

The spelling of 1338452039 in words is "one billion, three hundred thirty-eight million, four hundred fifty-two thousand, thirty-nine".