1340012419 has 2 divisors, whose sum is σ = 1340012420. Its totient is φ = 1340012418.

The previous prime is 1340012413. The next prime is 1340012431. The reversal of 1340012419 is 9142100431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340012419 - 2⁷ = 1340012291 is a prime.

It is a super-2 number, since 2×1340012419² = 3591266566148463122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1340012393 and 1340012402.

It is not a weakly prime, because it can be changed into another prime (1340012413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670006209 + 670006210.

It is an arithmetic number, because the mean of its divisors is an integer number (670006210).

Almost surely, 2^1340012419 is an apocalyptic number.

1340012419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340012419 is an equidigital number, since it uses as much as digits as its factorization.

1340012419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1340012419 is about 36606.1800656665. The cubic root of 1340012419 is about 1102.4771773153.

It can be divided in two parts, 1340012 and 419, that added together give a palindrome (1340431).

The spelling of 1340012419 in words is "one billion, three hundred forty million, twelve thousand, four hundred nineteen".