136727657 has 8 divisors (see below), whose sum is σ = 151603392. Its totient is φ = 122259600.

The previous prime is 136727641. The next prime is 136727681. The reversal of 136727657 is 756727631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136727657 - 2⁴ = 136727641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136721657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101213 + ... + 102554.

It is an arithmetic number, because the mean of its divisors is an integer number (18950424).

Almost surely, 2^136727657 is an apocalyptic number.

It is an amenable number.

136727657 is a deficient number, since it is larger than the sum of its proper divisors (14875735).

136727657 is a wasteful number, since it uses less digits than its factorization.

136727657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203839.

The product of its digits is 370440, while the sum is 44.

The square root of 136727657 is about 11693.0602068064. The cubic root of 136727657 is about 515.1718495210.

The spelling of 136727657 in words is "one hundred thirty-six million, seven hundred twenty-seven thousand, six hundred fifty-seven".