5156128 has 24 divisors (see below), whose sum is σ = 10326960. Its totient is φ = 2533440.

The previous prime is 5156111. The next prime is 5156141. The reversal of 5156128 is 8216515.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5156096 and 5156105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523 + ... + 3253.

It is an arithmetic number, because the mean of its divisors is an integer number (430290).

Almost surely, 2^5156128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5156128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5163480).

5156128 is an abundant number, since it is smaller than the sum of its proper divisors (5170832).

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

5156128 is a wasteful number, since it uses less digits than its factorization.

5156128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800 (or 2792 counting only the distinct ones).

The product of its digits is 2400, while the sum is 28.

The square root of 5156128 is about 2270.7109018983. The cubic root of 5156128 is about 172.7592181995.

It can be divided in two parts, 515612 and 8, that added together give a triangular number (515620 = T₁₀₁₅).

The spelling of 5156128 in words is "five million, one hundred fifty-six thousand, one hundred twenty-eight".