5128136 has 24 divisors (see below), whose sum is σ = 10414530. Its totient is φ = 2366208.

The previous prime is 5128063. The next prime is 5128153. The reversal of 5128136 is 6318215.

It can be written as a sum of positive squares in 3 ways, for example, as 1705636 + 3422500 = 1306^2 + 1850^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 545 + ... + 3248.

Almost surely, 2^5128136 is an apocalyptic number.

It is an amenable number.

5128136 is an abundant number, since it is smaller than the sum of its proper divisors (5286394).

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

5128136 is a wasteful number, since it uses less digits than its factorization.

5128136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825 (or 3808 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 5128136 is about 2264.5388051433. The cubic root of 5128136 is about 172.4460210578.

The spelling of 5128136 in words is "five million, one hundred twenty-eight thousand, one hundred thirty-six".