136065844 has 12 divisors (see below), whose sum is σ = 238201600. Its totient is φ = 68008248.

The previous prime is 136065829. The next prime is 136065847. The reversal of 136065844 is 448560631.

It is a happy number.

It is a super-3 number, since 3×136065844³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136065847) 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, 12547 + ... + 20725.

Almost surely, 2^136065844 is an apocalyptic number.

It is an amenable number.

136065844 is a deficient number, since it is larger than the sum of its proper divisors (102135756).

136065844 is a wasteful number, since it uses less digits than its factorization.

136065844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12342 (or 12340 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 136065844 is about 11664.7264862919. The cubic root of 136065844 is about 514.3392966365.

The spelling of 136065844 in words is "one hundred thirty-six million, sixty-five thousand, eight hundred forty-four".