5138867 has 4 divisors (see below), whose sum is σ = 5362320. Its totient is φ = 4915416.

The previous prime is 5138863. The next prime is 5138869. The reversal of 5138867 is 7688315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5138867 - 2² = 5138863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5138867.

It is not an unprimeable number, because it can be changed into a prime (5138863) 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, 111692 + ... + 111737.

It is an arithmetic number, because the mean of its divisors is an integer number (1340580).

Almost surely, 2^5138867 is an apocalyptic number.

5138867 is a deficient number, since it is larger than the sum of its proper divisors (223453).

5138867 is a wasteful number, since it uses less digits than its factorization.

5138867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223452.

The product of its digits is 40320, while the sum is 38.

The square root of 5138867 is about 2266.9069235414. The cubic root of 5138867 is about 172.5662225611.

The spelling of 5138867 in words is "five million, one hundred thirty-eight thousand, eight hundred sixty-seven".