5139887 has 4 divisors (see below), whose sum is σ = 5236920. Its totient is φ = 5042856.

The previous prime is 5139881. The next prime is 5139907. The reversal of 5139887 is 7889315.

It is a happy number.

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 5139887 - 2¹⁰ = 5138863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5139881) 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, 48437 + ... + 48542.

It is an arithmetic number, because the mean of its divisors is an integer number (1309230).

Almost surely, 2^5139887 is an apocalyptic number.

5139887 is a deficient number, since it is larger than the sum of its proper divisors (97033).

5139887 is an equidigital number, since it uses as much as digits as its factorization.

5139887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97032.

The product of its digits is 60480, while the sum is 41.

The square root of 5139887 is about 2267.1318885323. The cubic root of 5139887 is about 172.5776392088.

The spelling of 5139887 in words is "five million, one hundred thirty-nine thousand, eight hundred eighty-seven".