4994139 has 4 divisors (see below), whose sum is σ = 6658856. Its totient is φ = 3329424.

The previous prime is 4994123. The next prime is 4994153. The reversal of 4994139 is 9314994.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4994139 - 2⁴ = 4994123 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4994097 and 4994106.

It is not an unprimeable number, because it can be changed into a prime (4994179) 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, 832354 + ... + 832359.

It is an arithmetic number, because the mean of its divisors is an integer number (1664714).

Almost surely, 2^4994139 is an apocalyptic number.

4994139 is a deficient number, since it is larger than the sum of its proper divisors (1664717).

4994139 is a wasteful number, since it uses less digits than its factorization.

4994139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664716.

The product of its digits is 34992, while the sum is 39.

The square root of 4994139 is about 2234.7570337735. The cubic root of 4994139 is about 170.9307540839.

The spelling of 4994139 in words is "four million, nine hundred ninety-four thousand, one hundred thirty-nine".