201330139 has 2 divisors, whose sum is σ = 201330140. Its totient is φ = 201330138.

The previous prime is 201330127. The next prime is 201330163. The reversal of 201330139 is 931033102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201330139 - 2⁷ = 201330011 is a prime.

It is not a weakly prime, because it can be changed into another prime (201330539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100665069 + 100665070.

It is an arithmetic number, because the mean of its divisors is an integer number (100665070).

Almost surely, 2^201330139 is an apocalyptic number.

201330139 is a deficient number, since it is larger than the sum of its proper divisors (1).

201330139 is an equidigital number, since it uses as much as digits as its factorization.

201330139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 201330139 is about 14189.0852065945. The cubic root of 201330139 is about 586.0971341273.

The spelling of 201330139 in words is "two hundred one million, three hundred thirty thousand, one hundred thirty-nine".