5138427 has 8 divisors (see below), whose sum is σ = 7830016. Its totient is φ = 2936232.

The previous prime is 5138387. The next prime is 5138443. The reversal of 5138427 is 7248315.

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

It is not a de Polignac number, because 5138427 - 2⁶ = 5138363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5138394 and 5138403.

It is not an unprimeable number, because it can be changed into a prime (5138477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122323 + ... + 122364.

It is an arithmetic number, because the mean of its divisors is an integer number (978752).

Almost surely, 2^5138427 is an apocalyptic number.

5138427 is a deficient number, since it is larger than the sum of its proper divisors (2691589).

5138427 is a wasteful number, since it uses less digits than its factorization.

5138427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244697.

The product of its digits is 6720, while the sum is 30.

The square root of 5138427 is about 2266.8098729271. The cubic root of 5138427 is about 172.5612972663.

It can be divided in two parts, 5138 and 427, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 5138427 in words is "five million, one hundred thirty-eight thousand, four hundred twenty-seven".