136003856 has 20 divisors (see below), whose sum is σ = 263775900. Its totient is φ = 67932672.

The previous prime is 136003841. The next prime is 136003867. The reversal of 136003856 is 658300631.

136003856 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 2 ways, for example, as 26173456 + 109830400 = 5116^2 + 10480^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14300 + ... + 21828.

It is an arithmetic number, because the mean of its divisors is an integer number (13188795).

Almost surely, 2^136003856 is an apocalyptic number.

136003856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136003856 is a deficient number, since it is larger than the sum of its proper divisors (127772044).

136003856 is a wasteful number, since it uses less digits than its factorization.

136003856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8666 (or 8660 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 136003856 is about 11662.0691131548. The cubic root of 136003856 is about 514.2611783121.

The spelling of 136003856 in words is "one hundred thirty-six million, three thousand, eight hundred fifty-six".