225389006136 has 256 divisors, whose sum is σ = 728654438400. Its totient is φ = 63222985728.

The previous prime is 225389006107. The next prime is 225389006137. The reversal of 225389006136 is 631600983522.

225389006136 is a `hidden beast` number, since 2 + 25 + 3 + 8 + 9 + 0 + 0 + 613 + 6 = 666.

225389006136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 225389006091 and 225389006100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225389006137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24609270 + ... + 24618426.

It is an arithmetic number, because the mean of its divisors is an integer number (2846306400).

Almost surely, 2^225389006136 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 225389006136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364327219200).

225389006136 is an abundant number, since it is smaller than the sum of its proper divisors (503265432264).

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

225389006136 is a wasteful number, since it uses less digits than its factorization.

225389006136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475 (or 9465 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

Adding to 225389006136 its reverse (631600983522), we get a palindrome (856989989658).

The spelling of 225389006136 in words is "two hundred twenty-five billion, three hundred eighty-nine million, six thousand, one hundred thirty-six".