2140564001 has 4 divisors (see below), whose sum is σ = 2141366292. Its totient is φ = 2139761712.

The previous prime is 2140563961. The next prime is 2140564007. The reversal of 2140564001 is 1004650412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97614400 + 2042949601 = 9880^2 + 45199^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140564001 - 2¹⁸ = 2140301857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140564007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397130 + ... + 402483.

It is an arithmetic number, because the mean of its divisors is an integer number (535341573).

Almost surely, 2^2140564001 is an apocalyptic number.

It is an amenable number.

2140564001 is a deficient number, since it is larger than the sum of its proper divisors (802291).

2140564001 is an equidigital number, since it uses as much as digits as its factorization.

2140564001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802290.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2140564001 is about 46266.2295956781. The cubic root of 2140564001 is about 1288.7719420715.

The spelling of 2140564001 in words is "two billion, one hundred forty million, five hundred sixty-four thousand, one".