2134112345 has 8 divisors (see below), whose sum is σ = 2562209160. Its totient is φ = 1706440320.

The previous prime is 2134112303. The next prime is 2134112347. The reversal of 2134112345 is 5432114312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1118032969 + 1016079376 = 33437^2 + 31876^2 .

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

It is not a de Polignac number, because 2134112345 - 2⁸ = 2134112089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2134112347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95036 + ... + 115325.

It is an arithmetic number, because the mean of its divisors is an integer number (320276145).

Almost surely, 2^2134112345 is an apocalyptic number.

It is an amenable number.

2134112345 is a deficient number, since it is larger than the sum of its proper divisors (428096815).

2134112345 is a wasteful number, since it uses less digits than its factorization.

2134112345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212395.

The product of its digits is 2880, while the sum is 26.

The square root of 2134112345 is about 46196.4538141187. The cubic root of 2134112345 is about 1287.4758536333.

Adding to 2134112345 its reverse (5432114312), we get a palindrome (7566226657).

The spelling of 2134112345 in words is "two billion, one hundred thirty-four million, one hundred twelve thousand, three hundred forty-five".