1340141105 has 4 divisors (see below), whose sum is σ = 1608169332. Its totient is φ = 1072112880.

The previous prime is 1340141087. The next prime is 1340141111. The reversal of 1340141105 is 5011410431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 423989281 + 916151824 = 20591^2 + 30268^2 .

It is not a de Polignac number, because 1340141105 - 2²⁰ = 1339092529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 134014106 + ... + 134014115.

It is an arithmetic number, because the mean of its divisors is an integer number (402042333).

Almost surely, 2^1340141105 is an apocalyptic number.

It is an amenable number.

1340141105 is a deficient number, since it is larger than the sum of its proper divisors (268028227).

1340141105 is an equidigital number, since it uses as much as digits as its factorization.

1340141105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268028226.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1340141105 is about 36607.9377321367. The cubic root of 1340141105 is about 1102.5124677436.

Adding to 1340141105 its reverse (5011410431), we get a palindrome (6351551536).

The spelling of 1340141105 in words is "one billion, three hundred forty million, one hundred forty-one thousand, one hundred five".