8140838371 has 2 divisors, whose sum is σ = 8140838372. Its totient is φ = 8140838370.

The previous prime is 8140838357. The next prime is 8140838449. The reversal of 8140838371 is 1738380418.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8140838371 - 2⁷ = 8140838243 is a prime.

It is not a weakly prime, because it can be changed into another prime (8140838311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070419185 + 4070419186.

It is an arithmetic number, because the mean of its divisors is an integer number (4070419186).

Almost surely, 2^8140838371 is an apocalyptic number.

8140838371 is a deficient number, since it is larger than the sum of its proper divisors (1).

8140838371 is an equidigital number, since it uses as much as digits as its factorization.

8140838371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 8140838371 is about 90226.5945882920. The cubic root of 8140838371 is about 2011.6683236417.

The spelling of 8140838371 in words is "eight billion, one hundred forty million, eight hundred thirty-eight thousand, three hundred seventy-one".