2091124139 has 8 divisors (see below), whose sum is σ = 2253952512. Its totient is φ = 1928577600.

The previous prime is 2091124129. The next prime is 2091124159. The reversal of 2091124139 is 9314211902.

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 2091124139 - 2⁸ = 2091123883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2091124129) 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, 54914 + ... + 84839.

It is an arithmetic number, because the mean of its divisors is an integer number (281744064).

Almost surely, 2^2091124139 is an apocalyptic number.

2091124139 is a deficient number, since it is larger than the sum of its proper divisors (162828373).

2091124139 is a wasteful number, since it uses less digits than its factorization.

2091124139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140917.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2091124139 is about 45728.8108198759. The cubic root of 2091124139 is about 1278.7724516704.

The spelling of 2091124139 in words is "two billion, ninety-one million, one hundred twenty-four thousand, one hundred thirty-nine".