2134430105 has 4 divisors (see below), whose sum is σ = 2561316132. Its totient is φ = 1707544080.

The previous prime is 2134430101. The next prime is 2134430117. The reversal of 2134430105 is 5010344312.

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 666620761 + 1467809344 = 25819^2 + 38312^2 .

It is not a de Polignac number, because 2134430105 - 2² = 2134430101 is a prime.

It is a super-2 number, since 2×2134430105² = 9111583746260622050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2134430101) 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, 213443006 + ... + 213443015.

It is an arithmetic number, because the mean of its divisors is an integer number (640329033).

Almost surely, 2^2134430105 is an apocalyptic number.

It is an amenable number.

2134430105 is a deficient number, since it is larger than the sum of its proper divisors (426886027).

2134430105 is an equidigital number, since it uses as much as digits as its factorization.

2134430105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426886026.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2134430105 is about 46199.8929111313. The cubic root of 2134430105 is about 1287.5397503045.

Adding to 2134430105 its reverse (5010344312), we get a palindrome (7144774417).

The spelling of 2134430105 in words is "two billion, one hundred thirty-four million, four hundred thirty thousand, one hundred five".