1340351411 has 8 divisors (see below), whose sum is σ = 1537526880. Its totient is φ = 1144600128.

The previous prime is 1340351401. The next prime is 1340351413. The reversal of 1340351411 is 1141530431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1340351411 - 2¹⁰ = 1340350387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340351413) 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 in 7 ways as a sum of consecutive naturals, for example, 354026 + ... + 357791.

It is an arithmetic number, because the mean of its divisors is an integer number (192190860).

Almost surely, 2^1340351411 is an apocalyptic number.

1340351411 is a deficient number, since it is larger than the sum of its proper divisors (197175469).

1340351411 is an equidigital number, since it uses as much as digits as its factorization.

1340351411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712093.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1340351411 is about 36610.8100292796. The cubic root of 1340351411 is about 1102.5701365116.

Adding to 1340351411 its reverse (1141530431), we get a palindrome (2481881842).

The spelling of 1340351411 in words is "one billion, three hundred forty million, three hundred fifty-one thousand, four hundred eleven".