8140000457 has 2 divisors, whose sum is σ = 8140000458. Its totient is φ = 8140000456.

The previous prime is 8140000441. The next prime is 8140000483. The reversal of 8140000457 is 7540000418.

8140000457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8031923641 + 108076816 = 89621^2 + 10396^2 .

It is a cyclic number.

It is not a de Polignac number, because 8140000457 - 2⁴ = 8140000441 is a prime.

It is not a weakly prime, because it can be changed into another prime (8140009457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070000228 + 4070000229.

It is an arithmetic number, because the mean of its divisors is an integer number (4070000229).

Almost surely, 2^8140000457 is an apocalyptic number.

It is an amenable number.

8140000457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8140000457 is an equidigital number, since it uses as much as digits as its factorization.

8140000457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 8140000457 is about 90221.9510817628. The cubic root of 8140000457 is about 2011.5993027862.

The spelling of 8140000457 in words is "eight billion, one hundred forty million, four hundred fifty-seven", and thus it is an aban number.