4461139 has 4 divisors (see below), whose sum is σ = 4469256. Its totient is φ = 4453024.

The previous prime is 4461109. The next prime is 4461161. The reversal of 4461139 is 9311644.

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 4461139 - 2¹³ = 4452947 is a prime.

It is a super-2 number, since 2×4461139² = 39803522354642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4461109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3169 + ... + 4354.

It is an arithmetic number, because the mean of its divisors is an integer number (1117314).

Almost surely, 2^4461139 is an apocalyptic number.

4461139 is a deficient number, since it is larger than the sum of its proper divisors (8117).

4461139 is an equidigital number, since it uses as much as digits as its factorization.

4461139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8116.

The product of its digits is 2592, while the sum is 28.

The square root of 4461139 is about 2112.1408570453. The cubic root of 4461139 is about 164.6197426401.

The spelling of 4461139 in words is "four million, four hundred sixty-one thousand, one hundred thirty-nine".