2143366139 has 2 divisors, whose sum is σ = 2143366140. Its totient is φ = 2143366138.

The previous prime is 2143366129. The next prime is 2143366153. The reversal of 2143366139 is 9316633412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143366139 - 2¹⁶ = 2143300603 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2143366109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071683069 + 1071683070.

It is an arithmetic number, because the mean of its divisors is an integer number (1071683070).

Almost surely, 2^2143366139 is an apocalyptic number.

2143366139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143366139 is an equidigital number, since it uses as much as digits as its factorization.

2143366139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 38.

The square root of 2143366139 is about 46296.5024488892. The cubic root of 2143366139 is about 1289.3340590586.

The spelling of 2143366139 in words is "two billion, one hundred forty-three million, three hundred sixty-six thousand, one hundred thirty-nine".