136211093 has 2 divisors, whose sum is σ = 136211094. Its totient is φ = 136211092.

The previous prime is 136211081. The next prime is 136211099. The reversal of 136211093 is 390112631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136002244 + 208849 = 11662^2 + 457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136211093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136211099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68105546 + 68105547.

It is an arithmetic number, because the mean of its divisors is an integer number (68105547).

Almost surely, 2^136211093 is an apocalyptic number.

It is an amenable number.

136211093 is a deficient number, since it is larger than the sum of its proper divisors (1).

136211093 is an equidigital number, since it uses as much as digits as its factorization.

136211093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 136211093 is about 11670.9508181639. The cubic root of 136211093 is about 514.5222489948.

The spelling of 136211093 in words is "one hundred thirty-six million, two hundred eleven thousand, ninety-three".