136223764 has 12 divisors (see below), whose sum is σ = 238473844. Its totient is φ = 68088384.

The previous prime is 136223761. The next prime is 136223777. The reversal of 136223764 is 467322631.

It can be written as a sum of positive squares in 2 ways, for example, as 54140164 + 82083600 = 7358^2 + 9060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136223761) 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 3 ways as a sum of consecutive naturals, for example, 17512 + ... + 24064.

Almost surely, 2^136223764 is an apocalyptic number.

It is an amenable number.

136223764 is a deficient number, since it is larger than the sum of its proper divisors (102250080).

136223764 is a wasteful number, since it uses less digits than its factorization.

136223764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11754 (or 11752 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 136223764 is about 11671.4936490579. The cubic root of 136223764 is about 514.5382029310.

The spelling of 136223764 in words is "one hundred thirty-six million, two hundred twenty-three thousand, seven hundred sixty-four".