136645448 has 32 divisors (see below), whose sum is σ = 270070200. Its totient is φ = 64716288.

The previous prime is 136645447. The next prime is 136645451. The reversal of 136645448 is 844546631.

It is a happy number.

136645448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 89832484 + 46812964 = 9478^2 + 6842^2 .

It is not an unprimeable number, because it can be changed into a prime (136645447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6740 + ... + 17852.

Almost surely, 2^136645448 is an apocalyptic number.

It is an amenable number.

136645448 is a deficient number, since it is larger than the sum of its proper divisors (133424752).

136645448 is a wasteful number, since it uses less digits than its factorization.

136645448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201 (or 11197 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 136645448 is about 11689.5443880418. The cubic root of 136645448 is about 515.0685779164.

The spelling of 136645448 in words is "one hundred thirty-six million, six hundred forty-five thousand, four hundred forty-eight".