5115139 has 4 divisors (see below), whose sum is σ = 5253424. Its totient is φ = 4976856.

The previous prime is 5115137. The next prime is 5115167. The reversal of 5115139 is 9315115.

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 5115139 - 2¹ = 5115137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5115133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69087 + ... + 69160.

It is an arithmetic number, because the mean of its divisors is an integer number (1313356).

Almost surely, 2^5115139 is an apocalyptic number.

5115139 is a deficient number, since it is larger than the sum of its proper divisors (138285).

5115139 is a wasteful number, since it uses less digits than its factorization.

5115139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138284.

The product of its digits is 675, while the sum is 25.

The square root of 5115139 is about 2261.6673053303. The cubic root of 5115139 is about 172.3002125823.

The spelling of 5115139 in words is "five million, one hundred fifteen thousand, one hundred thirty-nine".