1339805107 has 2 divisors, whose sum is σ = 1339805108. Its totient is φ = 1339805106.

The previous prime is 1339805087. The next prime is 1339805141. The reversal of 1339805107 is 7015089331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1339805107 - 2¹⁵ = 1339772339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1339805167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669902553 + 669902554.

It is an arithmetic number, because the mean of its divisors is an integer number (669902554).

Almost surely, 2^1339805107 is an apocalyptic number.

1339805107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339805107 is an equidigital number, since it uses as much as digits as its factorization.

1339805107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1339805107 is about 36603.3483031266. The cubic root of 1339805107 is about 1102.4203199974.

The spelling of 1339805107 in words is "one billion, three hundred thirty-nine million, eight hundred five thousand, one hundred seven".