136606157 has 2 divisors, whose sum is σ = 136606158. Its totient is φ = 136606156.

The previous prime is 136606133. The next prime is 136606159. The reversal of 136606157 is 751606631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116229961 + 20376196 = 10781^2 + 4514^2 .

It is a cyclic number.

It is not a de Polignac number, because 136606157 - 2¹² = 136602061 is a prime.

It is a super-2 number, since 2×136606157² = 37322484260617298, which contains 22 as substring.

Together with 136606159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136606159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68303078 + 68303079.

It is an arithmetic number, because the mean of its divisors is an integer number (68303079).

Almost surely, 2^136606157 is an apocalyptic number.

It is an amenable number.

136606157 is a deficient number, since it is larger than the sum of its proper divisors (1).

136606157 is an equidigital number, since it uses as much as digits as its factorization.

136606157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 136606157 is about 11687.8636627914. The cubic root of 136606157 is about 515.0192056180.

The spelling of 136606157 in words is "one hundred thirty-six million, six hundred six thousand, one hundred fifty-seven".