1340892071 has 2 divisors, whose sum is σ = 1340892072. Its totient is φ = 1340892070.

The previous prime is 1340892061. The next prime is 1340892083. The reversal of 1340892071 is 1702980431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340892071 - 2²² = 1336697767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340892001) 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, 670446035 + 670446036.

It is an arithmetic number, because the mean of its divisors is an integer number (670446036).

Almost surely, 2^1340892071 is an apocalyptic number.

1340892071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340892071 is an equidigital number, since it uses as much as digits as its factorization.

1340892071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1340892071 is about 36618.1931695162. The cubic root of 1340892071 is about 1102.7183651605.

The spelling of 1340892071 in words is "one billion, three hundred forty million, eight hundred ninety-two thousand, seventy-one".