1386142799 has 2 divisors, whose sum is σ = 1386142800. Its totient is φ = 1386142798.

The previous prime is 1386142789. The next prime is 1386142829. The reversal of 1386142799 is 9972416831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1386142799 - 2¹² = 1386138703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1386142789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693071399 + 693071400.

It is an arithmetic number, because the mean of its divisors is an integer number (693071400).

Almost surely, 2^1386142799 is an apocalyptic number.

1386142799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386142799 is an equidigital number, since it uses as much as digits as its factorization.

1386142799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 1386142799 is about 37230.9387338004. The cubic root of 1386142799 is about 1114.9857690878.

The spelling of 1386142799 in words is "one billion, three hundred eighty-six million, one hundred forty-two thousand, seven hundred ninety-nine".