2140414345 has 4 divisors (see below), whose sum is σ = 2568497220. Its totient is φ = 1712331472.

The previous prime is 2140414343. The next prime is 2140414379. The reversal of 2140414345 is 5434140412.

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 1557723024 + 582691321 = 39468^2 + 24139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140414345 - 2¹ = 2140414343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2140414343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214041430 + ... + 214041439.

It is an arithmetic number, because the mean of its divisors is an integer number (642124305).

Almost surely, 2^2140414345 is an apocalyptic number.

It is an amenable number.

2140414345 is a deficient number, since it is larger than the sum of its proper divisors (428082875).

2140414345 is an equidigital number, since it uses as much as digits as its factorization.

2140414345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428082874.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2140414345 is about 46264.6122322451. The cubic root of 2140414345 is about 1288.7419068489.

Adding to 2140414345 its reverse (5434140412), we get a palindrome (7574554757).

The spelling of 2140414345 in words is "two billion, one hundred forty million, four hundred fourteen thousand, three hundred forty-five".