1338183839 has 2 divisors, whose sum is σ = 1338183840. Its totient is φ = 1338183838.

The previous prime is 1338183829. The next prime is 1338183863. The reversal of 1338183839 is 9383818331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1338183839 - 2⁴ = 1338183823 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1338183793 and 1338183802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338183829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669091919 + 669091920.

It is an arithmetic number, because the mean of its divisors is an integer number (669091920).

Almost surely, 2^1338183839 is an apocalyptic number.

1338183839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338183839 is an equidigital number, since it uses as much as digits as its factorization.

1338183839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 47.

The square root of 1338183839 is about 36581.1951554347. The cubic root of 1338183839 is about 1101.9754691768.

The spelling of 1338183839 in words is "one billion, three hundred thirty-eight million, one hundred eighty-three thousand, eight hundred thirty-nine".