3684511138 has 64 divisors (see below), whose sum is σ = 7264567296. Its totient is φ = 1359576000.

The previous prime is 3684511121. The next prime is 3684511153. The reversal of 3684511138 is 8311154863.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3684511138.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216168 + ... + 232588.

It is an arithmetic number, because the mean of its divisors is an integer number (113508864).

Almost surely, 2^3684511138 is an apocalyptic number.

3684511138 is a deficient number, since it is larger than the sum of its proper divisors (3580056158).

3684511138 is a wasteful number, since it uses less digits than its factorization.

3684511138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16519.

The product of its digits is 69120, while the sum is 40.

The square root of 3684511138 is about 60700.1741183664. The cubic root of 3684511138 is about 1544.5191282489.

The spelling of 3684511138 in words is "three billion, six hundred eighty-four million, five hundred eleven thousand, one hundred thirty-eight".