139706230211 has 2 divisors, whose sum is σ = 139706230212. Its totient is φ = 139706230210.

The previous prime is 139706230199. The next prime is 139706230217. The reversal of 139706230211 is 112032607931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139706230211 is a prime.

It is not a weakly prime, because it can be changed into another prime (139706230217) 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, 69853115105 + 69853115106.

It is an arithmetic number, because the mean of its divisors is an integer number (69853115106).

Almost surely, 2^139706230211 is an apocalyptic number.

139706230211 is a deficient number, since it is larger than the sum of its proper divisors (1).

139706230211 is an equidigital number, since it uses as much as digits as its factorization.

139706230211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 139706230211 in words is "one hundred thirty-nine billion, seven hundred six million, two hundred thirty thousand, two hundred eleven".