5147139 has 4 divisors (see below), whose sum is σ = 6862856. Its totient is φ = 3431424.

The previous prime is 5147069. The next prime is 5147159. The reversal of 5147139 is 9317415.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-5147139 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5147159) 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, 857854 + ... + 857859.

It is an arithmetic number, because the mean of its divisors is an integer number (1715714).

Almost surely, 2^5147139 is an apocalyptic number.

5147139 is a deficient number, since it is larger than the sum of its proper divisors (1715717).

5147139 is a wasteful number, since it uses less digits than its factorization.

5147139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715716.

The product of its digits is 3780, while the sum is 30.

The square root of 5147139 is about 2268.7307023973. The cubic root of 5147139 is about 172.6587658233.

The spelling of 5147139 in words is "five million, one hundred forty-seven thousand, one hundred thirty-nine".