3128733148 has 24 divisors (see below), whose sum is σ = 5846214528. Its totient is φ = 1461549936.

The previous prime is 3128733133. The next prime is 3128733161. The reversal of 3128733148 is 8413378213.

It is a happy number.

It is a super-2 number, since 2×3128733148² = 19577942222787979808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3128733148.

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, 391486 + ... + 399397.

It is an arithmetic number, because the mean of its divisors is an integer number (243592272).

Almost surely, 2^3128733148 is an apocalyptic number.

It is an amenable number.

3128733148 is a deficient number, since it is larger than the sum of its proper divisors (2717481380).

3128733148 is a wasteful number, since it uses less digits than its factorization.

3128733148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790953 (or 790951 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 3128733148 is about 55935.0797621671. The cubic root of 3128733148 is about 1462.5908129549.

The spelling of 3128733148 in words is "three billion, one hundred twenty-eight million, seven hundred thirty-three thousand, one hundred forty-eight".