1386243707 has 2 divisors, whose sum is σ = 1386243708. Its totient is φ = 1386243706.

The previous prime is 1386243697. The next prime is 1386243773. The reversal of 1386243707 is 7073426831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1386243707 - 2⁶ = 1386243643 is a prime.

It is not a weakly prime, because it can be changed into another prime (1386243407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693121853 + 693121854.

It is an arithmetic number, because the mean of its divisors is an integer number (693121854).

Almost surely, 2^1386243707 is an apocalyptic number.

1386243707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386243707 is an equidigital number, since it uses as much as digits as its factorization.

1386243707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 1386243707 is about 37232.2938723899. The cubic root of 1386243707 is about 1115.0128245624.

The spelling of 1386243707 in words is "one billion, three hundred eighty-six million, two hundred forty-three thousand, seven hundred seven".