5138637 has 16 divisors (see below), whose sum is σ = 8171520. Its totient is φ = 2808432.

The previous prime is 5138633. The next prime is 5138657. The reversal of 5138637 is 7368315.

It is a happy number.

5138637 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5138637 - 2² = 5138633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5138598 and 5138607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4837 + ... + 5802.

It is an arithmetic number, because the mean of its divisors is an integer number (510720).

Almost surely, 2^5138637 is an apocalyptic number.

It is an amenable number.

5138637 is a deficient number, since it is larger than the sum of its proper divisors (3032883).

5138637 is a wasteful number, since it uses less digits than its factorization.

5138637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10672.

The product of its digits is 15120, while the sum is 33.

The square root of 5138637 is about 2266.8561930568. The cubic root of 5138637 is about 172.5636480102.

It can be divided in two parts, 5138 and 637, that added together give a palindrome (5775).

The spelling of 5138637 in words is "five million, one hundred thirty-eight thousand, six hundred thirty-seven".