2911139 has 18 divisors (see below), whose sum is σ = 3729852. Its totient is φ = 2263800.

The previous prime is 2911093. The next prime is 2911141. The reversal of 2911139 is 9311192.

It is not a de Polignac number, because 2911139 - 2¹² = 2907043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2911159) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5684 + ... + 6174.

It is an arithmetic number, because the mean of its divisors is an integer number (207214).

2^2911139 is an apocalyptic number.

2911139 is a deficient number, since it is larger than the sum of its proper divisors (818713).

2911139 is a wasteful number, since it uses less digits than its factorization.

2911139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 509 counting only the distinct ones).

The product of its digits is 486, while the sum is 26.

The square root of 2911139 is about 1706.2060250743. The cubic root of 2911139 is about 142.7866641397.

The spelling of 2911139 in words is "two million, nine hundred eleven thousand, one hundred thirty-nine".