8100138328 has 8 divisors (see below), whose sum is σ = 15187759380. Its totient is φ = 4050069160.

The previous prime is 8100138323. The next prime is 8100138331. The reversal of 8100138328 is 8238310018.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×8100138328² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8100138293 and 8100138302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8100138323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506258638 + ... + 506258653.

Almost surely, 2^8100138328 is an apocalyptic number.

It is an amenable number.

8100138328 is a deficient number, since it is larger than the sum of its proper divisors (7087621052).

8100138328 is a wasteful number, since it uses less digits than its factorization.

8100138328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012517297 (or 1012517293 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 8100138328 is about 90000.7684856079. The cubic root of 8100138328 is about 2008.3102824433.

The spelling of 8100138328 in words is "eight billion, one hundred million, one hundred thirty-eight thousand, three hundred twenty-eight".