1386271093 has 2 divisors, whose sum is σ = 1386271094. Its totient is φ = 1386271092.

The previous prime is 1386271043. The next prime is 1386271097. The reversal of 1386271093 is 3901726831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 744307524 + 641963569 = 27282^2 + 25337^2 .

It is a cyclic number.

It is not a de Polignac number, because 1386271093 - 2⁹ = 1386270581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1386271097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693135546 + 693135547.

It is an arithmetic number, because the mean of its divisors is an integer number (693135547).

Almost surely, 2^1386271093 is an apocalyptic number.

It is an amenable number.

1386271093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386271093 is an equidigital number, since it uses as much as digits as its factorization.

1386271093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1386271093 is about 37232.6616427029. The cubic root of 1386271093 is about 1115.0201670761.

The spelling of 1386271093 in words is "one billion, three hundred eighty-six million, two hundred seventy-one thousand, ninety-three".