5138566 has 8 divisors (see below), whose sum is σ = 7733880. Its totient is φ = 2560608.

The previous prime is 5138561. The next prime is 5138603. The reversal of 5138566 is 6658315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3571 + ... + 4798.

It is an arithmetic number, because the mean of its divisors is an integer number (966735).

Almost surely, 2^5138566 is an apocalyptic number.

5138566 is a deficient number, since it is larger than the sum of its proper divisors (2595314).

5138566 is a wasteful number, since it uses less digits than its factorization.

5138566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8678.

The product of its digits is 21600, while the sum is 34.

The square root of 5138566 is about 2266.8405325474. The cubic root of 5138566 is about 172.5628532421.

The spelling of 5138566 in words is "five million, one hundred thirty-eight thousand, five hundred sixty-six".