136650211 has 4 divisors (see below), whose sum is σ = 137413800. Its totient is φ = 135886624.

The previous prime is 136650209. The next prime is 136650247. The reversal of 136650211 is 112056631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112056631 = 97 ⋅1155223.

It is a cyclic number.

It is not a de Polignac number, because 136650211 - 2¹ = 136650209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136650251) 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 in 3 ways as a sum of consecutive naturals, for example, 381526 + ... + 381883.

It is an arithmetic number, because the mean of its divisors is an integer number (34353450).

Almost surely, 2^136650211 is an apocalyptic number.

136650211 is a deficient number, since it is larger than the sum of its proper divisors (763589).

136650211 is an equidigital number, since it uses as much as digits as its factorization.

136650211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763588.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 136650211 is about 11689.7481153359. The cubic root of 136650211 is about 515.0745623654.

The spelling of 136650211 in words is "one hundred thirty-six million, six hundred fifty thousand, two hundred eleven".