4548139 has 4 divisors (see below), whose sum is σ = 4571424. Its totient is φ = 4524856.

The previous prime is 4548127. The next prime is 4548179. The reversal of 4548139 is 9318454.

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 4548139 - 2⁵ = 4548107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4548179) 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 3 ways as a sum of consecutive naturals, for example, 11347 + ... + 11740.

It is an arithmetic number, because the mean of its divisors is an integer number (1142856).

Almost surely, 2^4548139 is an apocalyptic number.

4548139 is a deficient number, since it is larger than the sum of its proper divisors (23285).

4548139 is a wasteful number, since it uses less digits than its factorization.

4548139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23284.

The product of its digits is 17280, while the sum is 34.

The square root of 4548139 is about 2132.6366310274. The cubic root of 4548139 is about 165.6829847525.

It can be divided in two parts, 45 and 48139, that added together give a palindrome (48184).

The spelling of 4548139 in words is "four million, five hundred forty-eight thousand, one hundred thirty-nine".