4134151321 has 2 divisors, whose sum is σ = 4134151322. Its totient is φ = 4134151320.

The previous prime is 4134151297. The next prime is 4134151363. The reversal of 4134151321 is 1231514314.

4134151321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4014489600 + 119661721 = 63360^2 + 10939^2 .

It is a cyclic number.

It is not a de Polignac number, because 4134151321 - 2⁹ = 4134150809 is a prime.

It is not a weakly prime, because it can be changed into another prime (4134151121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067075660 + 2067075661.

It is an arithmetic number, because the mean of its divisors is an integer number (2067075661).

Almost surely, 2^4134151321 is an apocalyptic number.

It is an amenable number.

4134151321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4134151321 is an equidigital number, since it uses as much as digits as its factorization.

4134151321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 4134151321 is about 64297.3663613060. The cubic root of 4134151321 is about 1604.9522759592.

Adding to 4134151321 its reverse (1231514314), we get a palindrome (5365665635).

It can be divided in two parts, 413415 and 1321, that added together give a square (414736 = 644²).

The spelling of 4134151321 in words is "four billion, one hundred thirty-four million, one hundred fifty-one thousand, three hundred twenty-one".