3138221088 has 54 divisors (see below), whose sum is σ = 8927020557. Its totient is φ = 1045756800.

The previous prime is 3138221059. The next prime is 3138221137. The reversal of 3138221088 is 8801228313.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 2840037264 + 298183824 = 53292^2 + 17268^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=39612.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 949038 + ... + 952338.

Almost surely, 2^3138221088 is an apocalyptic number.

It is an amenable number.

3138221088 is an abundant number, since it is smaller than the sum of its proper divisors (5788799469).

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

3138221088 is an frugal number, since it uses more digits than its factorization.

3138221088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6618 (or 3306 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 3138221088 is about 56019.8276327230. The cubic root of 3138221088 is about 1464.0677653842.

Multiplying 3138221088 by its product of nonzero digits (18432), we get a square (57843691094016 = 7605504²).

The spelling of 3138221088 in words is "three billion, one hundred thirty-eight million, two hundred twenty-one thousand, eighty-eight".