5135128 has 8 divisors (see below), whose sum is σ = 9628380. Its totient is φ = 2567560.

The previous prime is 5135113. The next prime is 5135129. The reversal of 5135128 is 8215315.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5135129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320938 + ... + 320953.

Almost surely, 2^5135128 is an apocalyptic number.

It is an amenable number.

5135128 is a deficient number, since it is larger than the sum of its proper divisors (4493252).

5135128 is a wasteful number, since it uses less digits than its factorization.

5135128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641897 (or 641893 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 5135128 is about 2266.0820814790. The cubic root of 5135128 is about 172.5243597889.

The spelling of 5135128 in words is "five million, one hundred thirty-five thousand, one hundred twenty-eight".