2140343161 has 8 divisors (see below), whose sum is σ = 2363052384. Its totient is φ = 1922322720.

The previous prime is 2140343159. The next prime is 2140343167. The reversal of 2140343161 is 1613430412.

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

It is a cyclic number.

It is not a de Polignac number, because 2140343161 - 2¹ = 2140343159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140343167) 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 7 ways as a sum of consecutive naturals, for example, 1171236 + ... + 1173061.

It is an arithmetic number, because the mean of its divisors is an integer number (295381548).

Almost surely, 2^2140343161 is an apocalyptic number.

It is an amenable number.

2140343161 is a deficient number, since it is larger than the sum of its proper divisors (222709223).

2140343161 is a wasteful number, since it uses less digits than its factorization.

2140343161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344391.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2140343161 is about 46263.8429121490. The cubic root of 2140343161 is about 1288.7276200791.

Adding to 2140343161 its reverse (1613430412), we get a palindrome (3753773573).

The spelling of 2140343161 in words is "two billion, one hundred forty million, three hundred forty-three thousand, one hundred sixty-one".