136922866 has 8 divisors (see below), whose sum is σ = 210935340. Its totient is φ = 66611088.

The previous prime is 136922843. The next prime is 136922867. The reversal of 136922866 is 668229631.

It can be written as a sum of positive squares in 2 ways, for example, as 123854641 + 13068225 = 11129^2 + 3615^2 .

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

It is not an unprimeable number, because it can be changed into a prime (136922867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925081 + ... + 925228.

Almost surely, 2^136922866 is an apocalyptic number.

136922866 is a deficient number, since it is larger than the sum of its proper divisors (74012474).

136922866 is a wasteful number, since it uses less digits than its factorization.

136922866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850348.

The product of its digits is 186624, while the sum is 43.

The square root of 136922866 is about 11701.4044456210. The cubic root of 136922866 is about 515.4169068891.

The spelling of 136922866 in words is "one hundred thirty-six million, nine hundred twenty-two thousand, eight hundred sixty-six".