5135234321 has 16 divisors (see below), whose sum is σ = 5901638400. Its totient is φ = 4377098688.

The previous prime is 5135234317. The next prime is 5135234339. The reversal of 5135234321 is 1234325315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5135234321 - 2² = 5135234317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5135234341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041500 + ... + 1046418.

It is an arithmetic number, because the mean of its divisors is an integer number (368852400).

Almost surely, 2^5135234321 is an apocalyptic number.

It is an amenable number.

5135234321 is a deficient number, since it is larger than the sum of its proper divisors (766404079).

5135234321 is a wasteful number, since it uses less digits than its factorization.

5135234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728.

The product of its digits is 10800, while the sum is 29.

The square root of 5135234321 is about 71660.5492652687. The cubic root of 5135234321 is about 1725.2555046582.

Adding to 5135234321 its reverse (1234325315), we get a palindrome (6369559636).

The spelling of 5135234321 in words is "five billion, one hundred thirty-five million, two hundred thirty-four thousand, three hundred twenty-one".