136121330224 has 80 divisors (see below), whose sum is σ = 306859707936. Its totient is φ = 57808486400.

The previous prime is 136121330221. The next prime is 136121330273. The reversal of 136121330224 is 422033121631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 136121330192 and 136121330201.

It is not an unprimeable number, because it can be changed into a prime (136121330221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243864 + ... + 575944.

Almost surely, 2^136121330224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136121330224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153429853968).

136121330224 is an abundant number, since it is smaller than the sum of its proper divisors (170738377712).

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

136121330224 is a wasteful number, since it uses less digits than its factorization.

136121330224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332254 (or 332248 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 136121330224 its reverse (422033121631), we get a palindrome (558154451855).

The spelling of 136121330224 in words is "one hundred thirty-six billion, one hundred twenty-one million, three hundred thirty thousand, two hundred twenty-four".