2140343163 has 64 divisors (see below), whose sum is σ = 3862379520. Its totient is φ = 1143507456.

The previous prime is 2140343159. The next prime is 2140343167. The reversal of 2140343163 is 3613430412.

It is an interprime number because it is at equal distance from previous prime (2140343159) and next prime (2140343167).

It is not a de Polignac number, because 2140343163 - 2² = 2140343159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2140343167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 502320 + ... + 506562.

It is an arithmetic number, because the mean of its divisors is an integer number (60349680).

Almost surely, 2^2140343163 is an apocalyptic number.

2140343163 is a deficient number, since it is larger than the sum of its proper divisors (1722036357).

2140343163 is a wasteful number, since it uses less digits than its factorization.

2140343163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2140343163 is about 46263.8429337642. The cubic root of 2140343163 is about 1288.7276204805.

Adding to 2140343163 its reverse (3613430412), we get a palindrome (5753773575).

The spelling of 2140343163 in words is "two billion, one hundred forty million, three hundred forty-three thousand, one hundred sixty-three".