2113814587 has 4 divisors (see below), whose sum is σ = 2114402616. Its totient is φ = 2113226560.

The previous prime is 2113814579. The next prime is 2113814603. The reversal of 2113814587 is 7854183112.

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 2113814587 - 2³ = 2113814579 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113814567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288589 + ... + 295822.

It is an arithmetic number, because the mean of its divisors is an integer number (528600654).

Almost surely, 2^2113814587 is an apocalyptic number.

2113814587 is a deficient number, since it is larger than the sum of its proper divisors (588029).

2113814587 is an equidigital number, since it uses as much as digits as its factorization.

2113814587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588028.

The product of its digits is 53760, while the sum is 40.

The square root of 2113814587 is about 45976.2393742681. The cubic root of 2113814587 is about 1283.3810731589.

Adding to 2113814587 its reverse (7854183112), we get a palindrome (9967997699).

The spelling of 2113814587 in words is "two billion, one hundred thirteen million, eight hundred fourteen thousand, five hundred eighty-seven".