210201139 has 2 divisors, whose sum is σ = 210201140. Its totient is φ = 210201138.

The previous prime is 210201083. The next prime is 210201143. The reversal of 210201139 is 931102012.

210201139 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 not a de Polignac number, because 210201139 - 2¹⁷ = 210070067 is a prime.

It is not a weakly prime, because it can be changed into another prime (210201169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100569 + 105100570.

It is an arithmetic number, because the mean of its divisors is an integer number (105100570).

Almost surely, 2^210201139 is an apocalyptic number.

210201139 is a deficient number, since it is larger than the sum of its proper divisors (1).

210201139 is an equidigital number, since it uses as much as digits as its factorization.

210201139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 210201139 is about 14498.3150400314. The cubic root of 210201139 is about 594.5819052792.

The spelling of 210201139 in words is "two hundred ten million, two hundred one thousand, one hundred thirty-nine".