211410139 has 2 divisors, whose sum is σ = 211410140. Its totient is φ = 211410138.

The previous prime is 211410107. The next prime is 211410149. The reversal of 211410139 is 931014112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211410139 - 2⁵ = 211410107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211410149) 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, 105705069 + 105705070.

It is an arithmetic number, because the mean of its divisors is an integer number (105705070).

Almost surely, 2^211410139 is an apocalyptic number.

211410139 is a deficient number, since it is larger than the sum of its proper divisors (1).

211410139 is an equidigital number, since it uses as much as digits as its factorization.

211410139 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 22.

The square root of 211410139 is about 14539.9497591979. The cubic root of 211410139 is about 595.7196658822.

The spelling of 211410139 in words is "two hundred eleven million, four hundred ten thousand, one hundred thirty-nine".