1376728027 has 2 divisors, whose sum is σ = 1376728028. Its totient is φ = 1376728026.

The previous prime is 1376728021. The next prime is 1376728057. The reversal of 1376728027 is 7208276731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1376728027 - 2⁷ = 1376727899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1376728021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688364013 + 688364014.

It is an arithmetic number, because the mean of its divisors is an integer number (688364014).

Almost surely, 2^1376728027 is an apocalyptic number.

1376728027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376728027 is an equidigital number, since it uses as much as digits as its factorization.

1376728027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 1376728027 is about 37104.2858306153. The cubic root of 1376728027 is about 1112.4556802948.

The spelling of 1376728027 in words is "one billion, three hundred seventy-six million, seven hundred twenty-eight thousand, twenty-seven".