137115197 has 2 divisors, whose sum is σ = 137115198. Its totient is φ = 137115196.

The previous prime is 137115151. The next prime is 137115203. The reversal of 137115197 is 791511731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121638841 + 15476356 = 11029^2 + 3934^2 .

It is a cyclic number.

It is not a de Polignac number, because 137115197 - 2⁸ = 137114941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137111197) 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, 68557598 + 68557599.

It is an arithmetic number, because the mean of its divisors is an integer number (68557599).

Almost surely, 2^137115197 is an apocalyptic number.

It is an amenable number.

137115197 is a deficient number, since it is larger than the sum of its proper divisors (1).

137115197 is an equidigital number, since it uses as much as digits as its factorization.

137115197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6615, while the sum is 35.

The square root of 137115197 is about 11709.6198486544. The cubic root of 137115197 is about 515.6581236487.

The spelling of 137115197 in words is "one hundred thirty-seven million, one hundred fifteen thousand, one hundred ninety-seven".