1391419 has 2 divisors, whose sum is σ = 1391420. Its totient is φ = 1391418.

The previous prime is 1391413. The next prime is 1391441. The reversal of 1391419 is 9141931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1391419 - 2¹¹ = 1389371 is a prime.

It is a super-2 number, since 2×1391419² = 3872093667122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1391413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695709 + 695710.

It is an arithmetic number, because the mean of its divisors is an integer number (695710).

2^1391419 is an apocalyptic number.

1391419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1391419 is an equidigital number, since it uses as much as digits as its factorization.

1391419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 28.

The square root of 1391419 is about 1179.5842487928. The cubic root of 1391419 is about 111.6398668391.

The spelling of 1391419 in words is "one million, three hundred ninety-one thousand, four hundred nineteen".