3816528138 has 64 divisors (see below), whose sum is σ = 9315763200. Its totient is φ = 1152811440.

The previous prime is 3816528127. The next prime is 3816528179. The reversal of 3816528138 is 8318256183.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3816528093 and 3816528102.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 57268 + ... + 104463.

It is an arithmetic number, because the mean of its divisors is an integer number (145558800).

Almost surely, 2^3816528138 is an apocalyptic number.

3816528138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3816528138 is an abundant number, since it is smaller than the sum of its proper divisors (5499235062).

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

3816528138 is a wasteful number, since it uses less digits than its factorization.

3816528138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161784 (or 161778 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 3816528138 is about 61778.0554727971. The cubic root of 3816528138 is about 1562.7499351269.

The spelling of 3816528138 in words is "three billion, eight hundred sixteen million, five hundred twenty-eight thousand, one hundred thirty-eight".