5139542 has 8 divisors (see below), whose sum is σ = 8162856. Its totient is φ = 2418592.

The previous prime is 5139539. The next prime is 5139551. The reversal of 5139542 is 2459315.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75548 + ... + 75615.

It is an arithmetic number, because the mean of its divisors is an integer number (1020357).

Almost surely, 2^5139542 is an apocalyptic number.

5139542 is a deficient number, since it is larger than the sum of its proper divisors (3023314).

5139542 is a wasteful number, since it uses less digits than its factorization.

5139542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151182.

The product of its digits is 5400, while the sum is 29.

The square root of 5139542 is about 2267.0557999308. The cubic root of 5139542 is about 172.5737778647.

It can be divided in two parts, 51 and 39542, that added together give a palindrome (39593).

The spelling of 5139542 in words is "five million, one hundred thirty-nine thousand, five hundred forty-two".