3205632138 has 64 divisors (see below), whose sum is σ = 6628124160. Its totient is φ = 1033224192.

The previous prime is 3205632127. The next prime is 3205632161. The reversal of 3205632138 is 8312365023.

It is a junction number, because it is equal to n+sod(n) for n = 3205632099 and 3205632108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5195206 + ... + 5195822.

It is an arithmetic number, because the mean of its divisors is an integer number (103564440).

Almost surely, 2^3205632138 is an apocalyptic number.

3205632138 is an abundant number, since it is smaller than the sum of its proper divisors (3422492022).

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

3205632138 is a wasteful number, since it uses less digits than its factorization.

3205632138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 3205632138 is about 56618.3021469207. The cubic root of 3205632138 is about 1474.4766333168.

The spelling of 3205632138 in words is "three billion, two hundred five million, six hundred thirty-two thousand, one hundred thirty-eight".