2130706139 has 2 divisors, whose sum is σ = 2130706140. Its totient is φ = 2130706138.

The previous prime is 2130706133. The next prime is 2130706153. The reversal of 2130706139 is 9316070312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130706139 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130706133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065353069 + 1065353070.

It is an arithmetic number, because the mean of its divisors is an integer number (1065353070).

Almost surely, 2^2130706139 is an apocalyptic number.

2130706139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130706139 is an equidigital number, since it uses as much as digits as its factorization.

2130706139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 2130706139 is about 46159.5725608459. The cubic root of 2130706139 is about 1286.7905190167.

The spelling of 2130706139 in words is "two billion, one hundred thirty million, seven hundred six thousand, one hundred thirty-nine".