1340560211 has 4 divisors (see below), whose sum is σ = 1419416712. Its totient is φ = 1261703712.

The previous prime is 1340560189. The next prime is 1340560223. The reversal of 1340560211 is 1120650431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1120650431 = 16691 ⋅67141.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340560211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340560241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39428225 + ... + 39428258.

It is an arithmetic number, because the mean of its divisors is an integer number (354854178).

Almost surely, 2^1340560211 is an apocalyptic number.

1340560211 is a deficient number, since it is larger than the sum of its proper divisors (78856501).

1340560211 is an equidigital number, since it uses as much as digits as its factorization.

1340560211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78856500.

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

The square root of 1340560211 is about 36613.6615350063. The cubic root of 1340560211 is about 1102.6273863466.

The spelling of 1340560211 in words is "one billion, three hundred forty million, five hundred sixty thousand, two hundred eleven".