136106197 has 2 divisors, whose sum is σ = 136106198. Its totient is φ = 136106196.

The previous prime is 136106171. The next prime is 136106209. The reversal of 136106197 is 791601631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75359761 + 60746436 = 8681^2 + 7794^2 .

It is an emirp because it is prime and its reverse (791601631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136106197 - 2¹¹ = 136104149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136106297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68053098 + 68053099.

It is an arithmetic number, because the mean of its divisors is an integer number (68053099).

Almost surely, 2^136106197 is an apocalyptic number.

It is an amenable number.

136106197 is a deficient number, since it is larger than the sum of its proper divisors (1).

136106197 is an equidigital number, since it uses as much as digits as its factorization.

136106197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 136106197 is about 11666.4560600038. The cubic root of 136106197 is about 514.3901374196.

The spelling of 136106197 in words is "one hundred thirty-six million, one hundred six thousand, one hundred ninety-seven".