136766897 has 8 divisors (see below), whose sum is σ = 139459200. Its totient is φ = 134087184.

The previous prime is 136766893. The next prime is 136766999. The reversal of 136766897 is 798667631.

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 136766897 - 2² = 136766893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136766893) 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 in 7 ways as a sum of consecutive naturals, for example, 20504 + ... + 26342.

It is an arithmetic number, because the mean of its divisors is an integer number (17432400).

Almost surely, 2^136766897 is an apocalyptic number.

It is an amenable number.

136766897 is a deficient number, since it is larger than the sum of its proper divisors (2692303).

136766897 is an equidigital number, since it uses as much as digits as its factorization.

136766897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6295.

The product of its digits is 2286144, while the sum is 53.

The square root of 136766897 is about 11694.7380047609. The cubic root of 136766897 is about 515.2211285287.

The spelling of 136766897 in words is "one hundred thirty-six million, seven hundred sixty-six thousand, eight hundred ninety-seven".