2130243139 has 2 divisors, whose sum is σ = 2130243140. Its totient is φ = 2130243138.

The previous prime is 2130243107. The next prime is 2130243161. The reversal of 2130243139 is 9313420312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2130243139 - 2⁵ = 2130243107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130243179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065121569 + 1065121570.

It is an arithmetic number, because the mean of its divisors is an integer number (1065121570).

Almost surely, 2^2130243139 is an apocalyptic number.

2130243139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130243139 is an equidigital number, since it uses as much as digits as its factorization.

2130243139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 2130243139 is about 46154.5570772811. The cubic root of 2130243139 is about 1286.6973062301.

The spelling of 2130243139 in words is "two billion, one hundred thirty million, two hundred forty-three thousand, one hundred thirty-nine".