201412139 has 2 divisors, whose sum is σ = 201412140. Its totient is φ = 201412138.

The previous prime is 201412111. The next prime is 201412151. The reversal of 201412139 is 931214102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201412139 - 2²⁰ = 200363563 is a prime.

It is not a weakly prime, because it can be changed into another prime (201412439) 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, 100706069 + 100706070.

It is an arithmetic number, because the mean of its divisors is an integer number (100706070).

Almost surely, 2^201412139 is an apocalyptic number.

201412139 is a deficient number, since it is larger than the sum of its proper divisors (1).

201412139 is an equidigital number, since it uses as much as digits as its factorization.

201412139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 201412139 is about 14191.9744574178. The cubic root of 201412139 is about 586.1766940678.

The spelling of 201412139 in words is "two hundred one million, four hundred twelve thousand, one hundred thirty-nine".