4911139 has 8 divisors (see below), whose sum is σ = 5268240. Its totient is φ = 4563936.

The previous prime is 4911131. The next prime is 4911149. The reversal of 4911139 is 9311194.

It is a happy number.

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

It is not a de Polignac number, because 4911139 - 2³ = 4911131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4911131) 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, 1432 + ... + 3445.

It is an arithmetic number, because the mean of its divisors is an integer number (658530).

Almost surely, 2^4911139 is an apocalyptic number.

4911139 is a deficient number, since it is larger than the sum of its proper divisors (357101).

4911139 is a wasteful number, since it uses less digits than its factorization.

4911139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949.

The product of its digits is 972, while the sum is 28.

The square root of 4911139 is about 2216.1089774648. The cubic root of 4911139 is about 169.9785324680.

It can be divided in two parts, 4911 and 139, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 4911139 in words is "four million, nine hundred eleven thousand, one hundred thirty-nine".