136727768 has 8 divisors (see below), whose sum is σ = 256364580. Its totient is φ = 68363880.

The previous prime is 136727761. The next prime is 136727783. The reversal of 136727768 is 867727631.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136727761) 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 as a sum of consecutive naturals, namely, 8545478 + ... + 8545493.

Almost surely, 2^136727768 is an apocalyptic number.

It is an amenable number.

136727768 is a deficient number, since it is larger than the sum of its proper divisors (119636812).

136727768 is a wasteful number, since it uses less digits than its factorization.

136727768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17090977 (or 17090973 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The square root of 136727768 is about 11693.0649532105. The cubic root of 136727768 is about 515.1719889321.

The spelling of 136727768 in words is "one hundred thirty-six million, seven hundred twenty-seven thousand, seven hundred sixty-eight".