2140546201 has 4 divisors (see below), whose sum is σ = 2140644132. Its totient is φ = 2140448272.

The previous prime is 2140546189. The next prime is 2140546229. The reversal of 2140546201 is 1026450412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 173712400 + 1966833801 = 13180^2 + 44349^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140546201 - 2⁵ = 2140546169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140546271) 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, 435 + ... + 65431.

It is an arithmetic number, because the mean of its divisors is an integer number (535161033).

Almost surely, 2^2140546201 is an apocalyptic number.

It is an amenable number.

2140546201 is a deficient number, since it is larger than the sum of its proper divisors (97931).

2140546201 is an equidigital number, since it uses as much as digits as its factorization.

2140546201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97930.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2140546201 is about 46266.0372303486. The cubic root of 2140546201 is about 1288.7683697724.

Adding to 2140546201 its reverse (1026450412), we get a palindrome (3166996613).

The spelling of 2140546201 in words is "two billion, one hundred forty million, five hundred forty-six thousand, two hundred one".