210020020000139 has 2 divisors, whose sum is σ = 210020020000140. Its totient is φ = 210020020000138.

The previous prime is 210020020000069. The next prime is 210020020000169. The reversal of 210020020000139 is 931000020020012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210020020000139 - 2³² = 210015725032843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210020020000139.

It is not a weakly prime, because it can be changed into another prime (210020020000169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010010000069 + 105010010000070.

It is an arithmetic number, because the mean of its divisors is an integer number (105010010000070).

Almost surely, 2^{210020020000139} is an apocalyptic number.

210020020000139 is a deficient number, since it is larger than the sum of its proper divisors (1).

210020020000139 is an equidigital number, since it uses as much as digits as its factorization.

210020020000139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 210020020000139 in words is "two hundred ten trillion, twenty billion, twenty million, one hundred thirty-nine", and thus it is an aban number.