5135233121 has 4 divisors (see below), whose sum is σ = 5139313200. Its totient is φ = 5131153044.

The previous prime is 5135233079. The next prime is 5135233153. The reversal of 5135233121 is 1213325315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5135233121 - 2⁶ = 5135233057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5135233321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038151 + ... + 2040668.

It is an arithmetic number, because the mean of its divisors is an integer number (1284828300).

Almost surely, 2^5135233121 is an apocalyptic number.

It is an amenable number.

5135233121 is a deficient number, since it is larger than the sum of its proper divisors (4080079).

5135233121 is a wasteful number, since it uses less digits than its factorization.

5135233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080078.

The product of its digits is 2700, while the sum is 26.

The square root of 5135233121 is about 71660.5408924605. The cubic root of 5135233121 is about 1725.2553702725.

Adding to 5135233121 its reverse (1213325315), we get a palindrome (6348558436).

The spelling of 5135233121 in words is "five billion, one hundred thirty-five million, two hundred thirty-three thousand, one hundred twenty-one".