6140345191 has 2 divisors, whose sum is σ = 6140345192. Its totient is φ = 6140345190.

The previous prime is 6140345137. The next prime is 6140345269. The reversal of 6140345191 is 1915430416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6140345191 - 2¹³ = 6140336999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6140345111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3070172595 + 3070172596.

It is an arithmetic number, because the mean of its divisors is an integer number (3070172596).

Almost surely, 2^6140345191 is an apocalyptic number.

6140345191 is a deficient number, since it is larger than the sum of its proper divisors (1).

6140345191 is an equidigital number, since it uses as much as digits as its factorization.

6140345191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 6140345191 is about 78360.3547146132. The cubic root of 6140345191 is about 1831.1795466129.

The spelling of 6140345191 in words is "six billion, one hundred forty million, three hundred forty-five thousand, one hundred ninety-one".