1386939223 has 2 divisors, whose sum is σ = 1386939224. Its totient is φ = 1386939222.

The previous prime is 1386939199. The next prime is 1386939259. The reversal of 1386939223 is 3229396831.

It is a weak prime.

It is an emirp because it is prime and its reverse (3229396831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1386939223 - 2⁹ = 1386938711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1386939283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693469611 + 693469612.

It is an arithmetic number, because the mean of its divisors is an integer number (693469612).

Almost surely, 2^1386939223 is an apocalyptic number.

1386939223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386939223 is an equidigital number, since it uses as much as digits as its factorization.

1386939223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 46.

The square root of 1386939223 is about 37241.6329260681. The cubic root of 1386939223 is about 1115.1992707585.

The spelling of 1386939223 in words is "one billion, three hundred eighty-six million, nine hundred thirty-nine thousand, two hundred twenty-three".