2140490591 has 8 divisors (see below), whose sum is σ = 2189026560. Its totient is φ = 2092079448.

The previous prime is 2140490579. The next prime is 2140490623. The reversal of 2140490591 is 1950940412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140490591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140490291) 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, 3920 + ... + 65546.

It is an arithmetic number, because the mean of its divisors is an integer number (273628320).

Almost surely, 2^2140490591 is an apocalyptic number.

2140490591 is a deficient number, since it is larger than the sum of its proper divisors (48535969).

2140490591 is an equidigital number, since it uses as much as digits as its factorization.

2140490591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62413.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 2140490591 is about 46265.4362456467. The cubic root of 2140490591 is about 1288.7572092207.

The spelling of 2140490591 in words is "two billion, one hundred forty million, four hundred ninety thousand, five hundred ninety-one".