18140834141 has 2 divisors, whose sum is σ = 18140834142. Its totient is φ = 18140834140.

The previous prime is 18140834077. The next prime is 18140834177. The reversal of 18140834141 is 14143804181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17957340025 + 183494116 = 134005^2 + 13546^2 .

It is a cyclic number.

It is not a de Polignac number, because 18140834141 - 2⁶ = 18140834077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18140834641) 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, 9070417070 + 9070417071.

It is an arithmetic number, because the mean of its divisors is an integer number (9070417071).

Almost surely, 2^18140834141 is an apocalyptic number.

It is an amenable number.

18140834141 is a deficient number, since it is larger than the sum of its proper divisors (1).

18140834141 is an equidigital number, since it uses as much as digits as its factorization.

18140834141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 35.

The spelling of 18140834141 in words is "eighteen billion, one hundred forty million, eight hundred thirty-four thousand, one hundred forty-one".