136800436 has 12 divisors (see below), whose sum is σ = 245240100. Its totient is φ = 66731840.

The previous prime is 136800421. The next prime is 136800439. The reversal of 136800436 is 634008631.

It can be written as a sum of positive squares in 2 ways, for example, as 56160036 + 80640400 = 7494^2 + 8980^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136800398 and 136800407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136800439) 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, 416911 + ... + 417238.

It is an arithmetic number, because the mean of its divisors is an integer number (20436675).

Almost surely, 2^136800436 is an apocalyptic number.

It is an amenable number.

136800436 is a deficient number, since it is larger than the sum of its proper divisors (108439664).

136800436 is a wasteful number, since it uses less digits than its factorization.

136800436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834194 (or 834192 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 136800436 is about 11696.1718523626. The cubic root of 136800436 is about 515.2632405443.

The spelling of 136800436 in words is "one hundred thirty-six million, eight hundred thousand, four hundred thirty-six".