128150812136 has 16 divisors (see below), whose sum is σ = 243667038240. Its totient is φ = 63172935280.

The previous prime is 128150812133. The next prime is 128150812157. The reversal of 128150812136 is 631218051821.

It is a super-2 number, since 2×128150812136² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128150812136.

It is not an unprimeable number, because it can be changed into a prime (128150812133) 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, 112808246 + ... + 112809381.

It is an arithmetic number, because the mean of its divisors is an integer number (15229189890).

Almost surely, 2^128150812136 is an apocalyptic number.

It is an amenable number.

128150812136 is a deficient number, since it is larger than the sum of its proper divisors (115516226104).

128150812136 is a wasteful number, since it uses less digits than its factorization.

128150812136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225617704 (or 225617700 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

Adding to 128150812136 its reverse (631218051821), we get a palindrome (759368863957).

The spelling of 128150812136 in words is "one hundred twenty-eight billion, one hundred fifty million, eight hundred twelve thousand, one hundred thirty-six".