4561139 has 8 divisors (see below), whose sum is σ = 5092032. Its totient is φ = 4049640.

The previous prime is 4561129. The next prime is 4561157. The reversal of 4561139 is 9311654.

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

It is a cyclic number.

It is not a de Polignac number, because 4561139 - 2⁸ = 4560883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4561129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4349 + ... + 5294.

It is an arithmetic number, because the mean of its divisors is an integer number (636504).

Almost surely, 2^4561139 is an apocalyptic number.

4561139 is a deficient number, since it is larger than the sum of its proper divisors (530893).

4561139 is a wasteful number, since it uses less digits than its factorization.

4561139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9697.

The product of its digits is 3240, while the sum is 29.

The square root of 4561139 is about 2135.6823265645. The cubic root of 4561139 is about 165.8406924730.

The spelling of 4561139 in words is "four million, five hundred sixty-one thousand, one hundred thirty-nine".