136691127 has 12 divisors (see below), whose sum is σ = 197581384. Its totient is φ = 91063440.

The previous prime is 136691083. The next prime is 136691129. The reversal of 136691127 is 721196631.

It is not a de Polignac number, because 136691127 - 2⁸ = 136690871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136691091 and 136691100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136691129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10752 + ... + 19722.

Almost surely, 2^136691127 is an apocalyptic number.

136691127 is a deficient number, since it is larger than the sum of its proper divisors (60890257).

136691127 is a wasteful number, since it uses less digits than its factorization.

136691127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670 (or 10667 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 136691127 is about 11691.4980648333. The cubic root of 136691127 is about 515.1259653540.

The spelling of 136691127 in words is "one hundred thirty-six million, six hundred ninety-one thousand, one hundred twenty-seven".