136500120 has 128 divisors (see below), whose sum is σ = 457920000. Its totient is φ = 36167040.

The previous prime is 136500109. The next prime is 136500121. The reversal of 136500120 is 21005631.

136500120 is a `hidden beast` number, since 1 + 3 + 650 + 0 + 12 + 0 = 666.

136500120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 136500093 and 136500102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136500121) 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 31 ways as a sum of consecutive naturals, for example, 227581 + ... + 228179.

It is an arithmetic number, because the mean of its divisors is an integer number (3577500).

Almost surely, 2^136500120 is an apocalyptic number.

136500120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136500120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228960000).

136500120 is an abundant number, since it is smaller than the sum of its proper divisors (321419880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136500120 is a wasteful number, since it uses less digits than its factorization.

136500120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 136500120 is about 11683.3265810727. The cubic root of 136500120 is about 514.8859143400.

Adding to 136500120 its reverse (21005631), we get a palindrome (157505751).

The spelling of 136500120 in words is "one hundred thirty-six million, five hundred thousand, one hundred twenty".