4785139 has 4 divisors (see below), whose sum is σ = 4799200. Its totient is φ = 4771080.

The previous prime is 4785119. The next prime is 4785161. The reversal of 4785139 is 9315874.

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 4785139 - 2⁹ = 4784627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4785098 and 4785107.

It is not an unprimeable number, because it can be changed into a prime (4785119) 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, 6507 + ... + 7204.

It is an arithmetic number, because the mean of its divisors is an integer number (1199800).

Almost surely, 2^4785139 is an apocalyptic number.

4785139 is a deficient number, since it is larger than the sum of its proper divisors (14061).

4785139 is a wasteful number, since it uses less digits than its factorization.

4785139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14060.

The product of its digits is 30240, while the sum is 37.

The square root of 4785139 is about 2187.4960571393. The cubic root of 4785139 is about 168.5122662457.

The spelling of 4785139 in words is "four million, seven hundred eighty-five thousand, one hundred thirty-nine".