4660139 has 4 divisors (see below), whose sum is σ = 5083800. Its totient is φ = 4236480.

The previous prime is 4660133. The next prime is 4660147. The reversal of 4660139 is 9310664.

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 4660139 - 2²⁰ = 3611563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4660133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211814 + ... + 211835.

It is an arithmetic number, because the mean of its divisors is an integer number (1270950).

Almost surely, 2^4660139 is an apocalyptic number.

4660139 is a deficient number, since it is larger than the sum of its proper divisors (423661).

4660139 is a wasteful number, since it uses less digits than its factorization.

4660139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423660.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4660139 is about 2158.7355095055. The cubic root of 4660139 is about 167.0319778127.

The spelling of 4660139 in words is "four million, six hundred sixty thousand, one hundred thirty-nine".