1340210371 has 2 divisors, whose sum is σ = 1340210372. Its totient is φ = 1340210370.

The previous prime is 1340210357. The next prime is 1340210407. The reversal of 1340210371 is 1730120431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340210371 - 2¹¹ = 1340208323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340210071) 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 as a sum of consecutive naturals, namely, 670105185 + 670105186.

It is an arithmetic number, because the mean of its divisors is an integer number (670105186).

Almost surely, 2^1340210371 is an apocalyptic number.

1340210371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340210371 is an equidigital number, since it uses as much as digits as its factorization.

1340210371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1340210371 is about 36608.8837715656. The cubic root of 1340210371 is about 1102.5314620900.

The spelling of 1340210371 in words is "one billion, three hundred forty million, two hundred ten thousand, three hundred seventy-one".