2134145225 has 6 divisors (see below), whose sum is σ = 2646340110. Its totient is φ = 1707316160.

The previous prime is 2134145213. The next prime is 2134145239. The reversal of 2134145225 is 5225414312.

It can be written as a sum of positive squares in 3 ways, for example, as 35772361 + 2098372864 = 5981^2 + 45808^2 .

It is not a de Polignac number, because 2134145225 - 2¹² = 2134141129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42682880 + ... + 42682929.

It is an arithmetic number, because the mean of its divisors is an integer number (441056685).

Almost surely, 2^2134145225 is an apocalyptic number.

2134145225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2134145225 is a deficient number, since it is larger than the sum of its proper divisors (512194885).

2134145225 is an equidigital number, since it uses as much as digits as its factorization.

2134145225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85365819 (or 85365814 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 2134145225 is about 46196.8096842195. The cubic root of 2134145225 is about 1287.4824655921.

Adding to 2134145225 its reverse (5225414312), we get a palindrome (7359559537).

It can be divided in two parts, 21341 and 45225, that added together give a palindrome (66566).

The spelling of 2134145225 in words is "two billion, one hundred thirty-four million, one hundred forty-five thousand, two hundred twenty-five".