136766768 has 20 divisors (see below), whose sum is σ = 280573560. Its totient is φ = 64360704.

The previous prime is 136766759. The next prime is 136766831. The reversal of 136766768 is 867667631.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 251138 + ... + 251681.

It is an arithmetic number, because the mean of its divisors is an integer number (14028678).

Almost surely, 2^136766768 is an apocalyptic number.

It is an amenable number.

136766768 is an abundant number, since it is smaller than the sum of its proper divisors (143806792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136766768 is a wasteful number, since it uses less digits than its factorization.

136766768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502844 (or 502838 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 136766768 is about 11694.7324894587. The cubic root of 136766768 is about 515.2209665413.

The spelling of 136766768 in words is "one hundred thirty-six million, seven hundred sixty-six thousand, seven hundred sixty-eight".