3128136 has 96 divisors (see below), whose sum is σ = 9283680. Its totient is φ = 870400.

The previous prime is 3128131. The next prime is 3128159. The reversal of 3128136 is 6318213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128131) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 76276 + ... + 76316.

It is an arithmetic number, because the mean of its divisors is an integer number (96705).

Almost surely, 2^3128136 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 3128136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4641840).

3128136 is an abundant number, since it is smaller than the sum of its proper divisors (6155544).

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

3128136 is a wasteful number, since it uses less digits than its factorization.

3128136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 74 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 3128136 is about 1768.6537252950. The cubic root of 3128136 is about 146.2497757320.

It can be divided in two parts, 312 and 8136, that added together give a palindrome (8448).

The spelling of 3128136 in words is "three million, one hundred twenty-eight thousand, one hundred thirty-six".