1388107999 has 2 divisors, whose sum is σ = 1388108000. Its totient is φ = 1388107998.

The previous prime is 1388107993. The next prime is 1388108017. The reversal of 1388107999 is 9997018831.

It is a weak prime.

It is an emirp because it is prime and its reverse (9997018831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1388107999 - 2¹⁷ = 1387976927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1388107993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694053999 + 694054000.

It is an arithmetic number, because the mean of its divisors is an integer number (694054000).

Almost surely, 2^1388107999 is an apocalyptic number.

1388107999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388107999 is an equidigital number, since it uses as much as digits as its factorization.

1388107999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 55.

The square root of 1388107999 is about 37257.3214147233. The cubic root of 1388107999 is about 1115.5124429008.

The spelling of 1388107999 in words is "one billion, three hundred eighty-eight million, one hundred seven thousand, nine hundred ninety-nine".