201136009 has 2 divisors, whose sum is σ = 201136010. Its totient is φ = 201136008.

The previous prime is 201135973. The next prime is 201136049. The reversal of 201136009 is 900631102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178810384 + 22325625 = 13372^2 + 4725^2 .

It is a cyclic number.

It is not a de Polignac number, because 201136009 - 2¹⁹ = 200611721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201136049) 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, 100568004 + 100568005.

It is an arithmetic number, because the mean of its divisors is an integer number (100568005).

Almost surely, 2^201136009 is an apocalyptic number.

It is an amenable number.

201136009 is a deficient number, since it is larger than the sum of its proper divisors (1).

201136009 is an equidigital number, since it uses as much as digits as its factorization.

201136009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 201136009 is about 14182.2427351953. The cubic root of 201136009 is about 585.9086946702.

The spelling of 201136009 in words is "two hundred one million, one hundred thirty-six thousand, nine".