2144124139 has 2 divisors, whose sum is σ = 2144124140. Its totient is φ = 2144124138.

The previous prime is 2144124127. The next prime is 2144124173. The reversal of 2144124139 is 9314214412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144124139 - 2²⁵ = 2110569707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2144124139.

It is not a weakly prime, because it can be changed into another prime (2144128139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072062069 + 1072062070.

It is an arithmetic number, because the mean of its divisors is an integer number (1072062070).

Almost surely, 2^2144124139 is an apocalyptic number.

2144124139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144124139 is an equidigital number, since it uses as much as digits as its factorization.

2144124139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 2144124139 is about 46304.6880887886. The cubic root of 2144124139 is about 1289.4860318538.

The spelling of 2144124139 in words is "two billion, one hundred forty-four million, one hundred twenty-four thousand, one hundred thirty-nine".