1391190107 has 2 divisors, whose sum is σ = 1391190108. Its totient is φ = 1391190106.

The previous prime is 1391190103. The next prime is 1391190113. The reversal of 1391190107 is 7010911931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1391190107 - 2² = 1391190103 is a prime.

It is not a weakly prime, because it can be changed into another prime (1391190103) 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, 695595053 + 695595054.

It is an arithmetic number, because the mean of its divisors is an integer number (695595054).

Almost surely, 2^1391190107 is an apocalyptic number.

1391190107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1391190107 is an equidigital number, since it uses as much as digits as its factorization.

1391190107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 32.

The square root of 1391190107 is about 37298.6609277062. The cubic root of 1391190107 is about 1116.3374479497.

The spelling of 1391190107 in words is "one billion, three hundred ninety-one million, one hundred ninety thousand, one hundred seven".