136730171 has 2 divisors, whose sum is σ = 136730172. Its totient is φ = 136730170.

The previous prime is 136730149. The next prime is 136730179. The reversal of 136730171 is 171037631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136730171 - 2⁶ = 136730107 is a prime.

It is not a weakly prime, because it can be changed into another prime (136730179) 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, 68365085 + 68365086.

It is an arithmetic number, because the mean of its divisors is an integer number (68365086).

Almost surely, 2^136730171 is an apocalyptic number.

136730171 is a deficient number, since it is larger than the sum of its proper divisors (1).

136730171 is an equidigital number, since it uses as much as digits as its factorization.

136730171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 136730171 is about 11693.1677059726. The cubic root of 136730171 is about 515.1750069755.

The spelling of 136730171 in words is "one hundred thirty-six million, seven hundred thirty thousand, one hundred seventy-one".