2140284827 has 4 divisors (see below), whose sum is σ = 2167377120. Its totient is φ = 2113192536.

The previous prime is 2140284823. The next prime is 2140284833. The reversal of 2140284827 is 7284820412.

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 2140284827 - 2² = 2140284823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140284823) 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, 13546028 + ... + 13546185.

It is an arithmetic number, because the mean of its divisors is an integer number (541844280).

Almost surely, 2^2140284827 is an apocalyptic number.

2140284827 is a deficient number, since it is larger than the sum of its proper divisors (27092293).

2140284827 is an equidigital number, since it uses as much as digits as its factorization.

2140284827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27092292.

The product of its (nonzero) digits is 57344, while the sum is 38.

The square root of 2140284827 is about 46263.2124587128. The cubic root of 2140284827 is about 1288.7159120936.

The spelling of 2140284827 in words is "two billion, one hundred forty million, two hundred eighty-four thousand, eight hundred twenty-seven".