5138990 has 8 divisors (see below), whose sum is σ = 9250200. Its totient is φ = 2055592.

The previous prime is 5138977. The next prime is 5139019. The reversal of 5138990 is 998315.

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

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 5138990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256940 + ... + 256959.

It is an arithmetic number, because the mean of its divisors is an integer number (1156275).

Almost surely, 2^5138990 is an apocalyptic number.

5138990 is a deficient number, since it is larger than the sum of its proper divisors (4111210).

5138990 is a wasteful number, since it uses less digits than its factorization.

5138990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513906.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 5138990 is about 2266.9340528564. The cubic root of 5138990 is about 172.5675993546.

The spelling of 5138990 in words is "five million, one hundred thirty-eight thousand, nine hundred ninety".