3138332180 has 24 divisors (see below), whose sum is σ = 6658444968. Its totient is φ = 1242390528.

The previous prime is 3138332161. The next prime is 3138332191. The reversal of 3138332180 is 812338313.

It can be written as a sum of positive squares in 4 ways, for example, as 988036 + 3137344144 = 994^2 + 56012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806909 + ... + 810788.

It is an arithmetic number, because the mean of its divisors is an integer number (277435207).

Almost surely, 2^3138332180 is an apocalyptic number.

It is an amenable number.

3138332180 is an abundant number, since it is smaller than the sum of its proper divisors (3520112788).

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

3138332180 is a wasteful number, since it uses less digits than its factorization.

3138332180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617803 (or 1617801 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3138332180 is about 56020.8191657352. The cubic root of 3138332180 is about 1464.0850410204.

The spelling of 3138332180 in words is "three billion, one hundred thirty-eight million, three hundred thirty-two thousand, one hundred eighty".