5139242 has 8 divisors (see below), whose sum is σ = 7957632. Its totient is φ = 2486700.

The previous prime is 5139223. The next prime is 5139257. The reversal of 5139242 is 2429315.

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

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, 41384 + ... + 41507.

It is an arithmetic number, because the mean of its divisors is an integer number (994704).

Almost surely, 2^5139242 is an apocalyptic number.

5139242 is a deficient number, since it is larger than the sum of its proper divisors (2818390).

5139242 is a wasteful number, since it uses less digits than its factorization.

5139242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82924.

The product of its digits is 2160, while the sum is 26.

The square root of 5139242 is about 2266.9896338537. The cubic root of 5139242 is about 172.5704200336.

It can be divided in two parts, 51 and 39242, that added together give a palindrome (39293).

The spelling of 5139242 in words is "five million, one hundred thirty-nine thousand, two hundred forty-two".