2140343162 has 8 divisors (see below), whose sum is σ = 3211936500. Its totient is φ = 1069697664.

The previous prime is 2140343159. The next prime is 2140343167. The reversal of 2140343162 is 2613430412.

It can be written as a sum of positive squares in 2 ways, for example, as 2062885561 + 77457601 = 45419^2 + 8801^2 .

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

It is a super-2 number, since 2×2140343162² = 9162137702240316488, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 231287 + ... + 240362.

Almost surely, 2^2140343162 is an apocalyptic number.

2140343162 is a deficient number, since it is larger than the sum of its proper divisors (1071593338).

2140343162 is a wasteful number, since it uses less digits than its factorization.

2140343162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473920.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2140343162 is about 46263.8429229566. The cubic root of 2140343162 is about 1288.7276202798.

Adding to 2140343162 its reverse (2613430412), we get a palindrome (4753773574).

The spelling of 2140343162 in words is "two billion, one hundred forty million, three hundred forty-three thousand, one hundred sixty-two".