3138975632 has 20 divisors (see below), whose sum is σ = 6549593820. Its totient is φ = 1448757888.

The previous prime is 3138975607. The next prime is 3138975743. The reversal of 3138975632 is 2365798313.

It can be written as a sum of positive squares in 2 ways, for example, as 142945936 + 2996029696 = 11956^2 + 54736^2 .

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 3 ways as a sum of consecutive naturals, for example, 7545407 + ... + 7545822.

It is an arithmetic number, because the mean of its divisors is an integer number (327479691).

Almost surely, 2^3138975632 is an apocalyptic number.

It is an amenable number.

3138975632 is an abundant number, since it is smaller than the sum of its proper divisors (3410618188).

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

3138975632 is a wasteful number, since it uses less digits than its factorization.

3138975632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15091250 (or 15091244 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 3138975632 is about 56026.5618434685. The cubic root of 3138975632 is about 1464.1850945963.

The spelling of 3138975632 in words is "three billion, one hundred thirty-eight million, nine hundred seventy-five thousand, six hundred thirty-two".