5136444 has 36 divisors (see below), whose sum is σ = 13202280. Its totient is φ = 1683360.

The previous prime is 5136437. The next prime is 5136449. The reversal of 5136444 is 4446315.

5136444 is a `hidden beast` number, since 5 + 13 + 644 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5136449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1027 + ... + 3365.

It is an arithmetic number, because the mean of its divisors is an integer number (366730).

Almost surely, 2^5136444 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 5136444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6601140).

5136444 is an abundant number, since it is smaller than the sum of its proper divisors (8065836).

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

5136444 is a wasteful number, since it uses less digits than its factorization.

5136444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410 (or 2405 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 5136444 is about 2266.3724318832. The cubic root of 5136444 is about 172.5390963683.

The spelling of 5136444 in words is "five million, one hundred thirty-six thousand, four hundred forty-four".