42213106139 has 2 divisors, whose sum is σ = 42213106140. Its totient is φ = 42213106138.

The previous prime is 42213106087. The next prime is 42213106163. The reversal of 42213106139 is 93160131224.

42213106139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42213106139 is a prime.

It is not a weakly prime, because it can be changed into another prime (42213106339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21106553069 + 21106553070.

It is an arithmetic number, because the mean of its divisors is an integer number (21106553070).

Almost surely, 2^42213106139 is an apocalyptic number.

42213106139 is a deficient number, since it is larger than the sum of its proper divisors (1).

42213106139 is an equidigital number, since it uses as much as digits as its factorization.

42213106139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 42213106139 in words is "forty-two billion, two hundred thirteen million, one hundred six thousand, one hundred thirty-nine".