1378614607 has 2 divisors, whose sum is σ = 1378614608. Its totient is φ = 1378614606.

The previous prime is 1378614583. The next prime is 1378614613. The reversal of 1378614607 is 7064168731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1378614607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1378614667) 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, 689307303 + 689307304.

It is an arithmetic number, because the mean of its divisors is an integer number (689307304).

Almost surely, 2^1378614607 is an apocalyptic number.

1378614607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1378614607 is an equidigital number, since it uses as much as digits as its factorization.

1378614607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 1378614607 is about 37129.6997967934. The cubic root of 1378614607 is about 1112.9635943894.

The spelling of 1378614607 in words is "one billion, three hundred seventy-eight million, six hundred fourteen thousand, six hundred seven".