1376806939 has 2 divisors, whose sum is σ = 1376806940. Its totient is φ = 1376806938.

The previous prime is 1376806927. The next prime is 1376806943. The reversal of 1376806939 is 9396086731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1376806939 - 2¹³ = 1376798747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1376801939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688403469 + 688403470.

It is an arithmetic number, because the mean of its divisors is an integer number (688403470).

Almost surely, 2^1376806939 is an apocalyptic number.

1376806939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376806939 is an equidigital number, since it uses as much as digits as its factorization.

1376806939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 1376806939 is about 37105.3491965781. The cubic root of 1376806939 is about 1112.4769346562.

The spelling of 1376806939 in words is "one billion, three hundred seventy-six million, eight hundred six thousand, nine hundred thirty-nine".