5138168 has 16 divisors (see below), whose sum is σ = 11010480. Its totient is φ = 2202048.

The previous prime is 5138167. The next prime is 5138171. The reversal of 5138168 is 8618315.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138167) 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 3 ways as a sum of consecutive naturals, for example, 45821 + ... + 45932.

It is an arithmetic number, because the mean of its divisors is an integer number (688155).

Almost surely, 2^5138168 is an apocalyptic number.

It is an amenable number.

5138168 is an abundant number, since it is smaller than the sum of its proper divisors (5872312).

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

5138168 is a wasteful number, since it uses less digits than its factorization.

5138168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91766 (or 91762 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 5138168 is about 2266.7527434637. The cubic root of 5138168 is about 172.5583979272.

The spelling of 5138168 in words is "five million, one hundred thirty-eight thousand, one hundred sixty-eight".