5131144 has 32 divisors (see below), whose sum is σ = 10546200. Its totient is φ = 2329600.

The previous prime is 5131141. The next prime is 5131157. The reversal of 5131144 is 4411315.

It can be written as a sum of positive squares in 4 ways, for example, as 3467044 + 1664100 = 1862^2 + 1290^2 .

It is not an unprimeable number, because it can be changed into a prime (5131141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3294 + ... + 4594.

Almost surely, 2^5131144 is an apocalyptic number.

It is an amenable number.

5131144 is an abundant number, since it is smaller than the sum of its proper divisors (5415056).

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

5131144 is a wasteful number, since it uses less digits than its factorization.

5131144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353 (or 1349 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 5131144 is about 2265.2028606727. The cubic root of 5131144 is about 172.4797315680.

Adding to 5131144 its reverse (4411315), we get a palindrome (9542459).

The spelling of 5131144 in words is "five million, one hundred thirty-one thousand, one hundred forty-four".