5138929 has 2 divisors, whose sum is σ = 5138930. Its totient is φ = 5138928.

The previous prime is 5138923. The next prime is 5138941. The reversal of 5138929 is 9298315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5107600 + 31329 = 2260^2 + 177^2 .

It is a cyclic number.

It is not a de Polignac number, because 5138929 - 2¹¹ = 5136881 is a prime.

It is not a weakly prime, because it can be changed into another prime (5138923) 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 as a sum of consecutive naturals, namely, 2569464 + 2569465.

It is an arithmetic number, because the mean of its divisors is an integer number (2569465).

Almost surely, 2^5138929 is an apocalyptic number.

It is an amenable number.

5138929 is a deficient number, since it is larger than the sum of its proper divisors (1).

5138929 is an equidigital number, since it uses as much as digits as its factorization.

5138929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 5138929 is about 2266.9205985213. The cubic root of 5138929 is about 172.5669165573.

The spelling of 5138929 in words is "five million, one hundred thirty-eight thousand, nine hundred twenty-nine".