5139971 has 8 divisors (see below), whose sum is σ = 5395200. Its totient is φ = 4887432.

The previous prime is 5139949. The next prime is 5139973. The reversal of 5139971 is 1799315.

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

It is a cyclic number.

It is not a de Polignac number, because 5139971 - 2⁶ = 5139907 is a prime.

It is a super-3 number, since 3×5139971³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5139973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4016 + ... + 5138.

It is an arithmetic number, because the mean of its divisors is an integer number (674400).

Almost surely, 2^5139971 is an apocalyptic number.

5139971 is a deficient number, since it is larger than the sum of its proper divisors (255229).

5139971 is a wasteful number, since it uses less digits than its factorization.

5139971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

The product of its digits is 8505, while the sum is 35.

The square root of 5139971 is about 2267.1504140661. The cubic root of 5139971 is about 172.5785793360.

The spelling of 5139971 in words is "five million, one hundred thirty-nine thousand, nine hundred seventy-one".