5138899 has 4 divisors (see below), whose sum is σ = 5264280. Its totient is φ = 5013520.

The previous prime is 5138891. The next prime is 5138923. The reversal of 5138899 is 9988315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9988315 = 5 ⋅1997663.

It is a cyclic number.

It is not a de Polignac number, because 5138899 - 2³ = 5138891 is a prime.

It is a Duffinian number.

5138899 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5138891) 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, 62629 + ... + 62710.

It is an arithmetic number, because the mean of its divisors is an integer number (1316070).

Almost surely, 2^5138899 is an apocalyptic number.

5138899 is a deficient number, since it is larger than the sum of its proper divisors (125381).

5138899 is a wasteful number, since it uses less digits than its factorization.

5138899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125380.

The product of its digits is 77760, while the sum is 43.

The square root of 5138899 is about 2266.9139816058. The cubic root of 5138899 is about 172.5665807534.

The spelling of 5138899 in words is "five million, one hundred thirty-eight thousand, eight hundred ninety-nine".