5220135309 has 4 divisors (see below), whose sum is σ = 6960180416. Its totient is φ = 3480090204.

The previous prime is 5220135281. The next prime is 5220135313. The reversal of 5220135309 is 9035310225.

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 not a de Polignac number, because 5220135309 - 2⁷ = 5220135181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220135709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870022549 + ... + 870022554.

It is an arithmetic number, because the mean of its divisors is an integer number (1740045104).

Almost surely, 2^5220135309 is an apocalyptic number.

It is an amenable number.

5220135309 is a deficient number, since it is larger than the sum of its proper divisors (1740045107).

5220135309 is a wasteful number, since it uses less digits than its factorization.

5220135309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740045106.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 5220135309 is about 72250.5038667551. The cubic root of 5220135309 is about 1734.7114834440.

The spelling of 5220135309 in words is "five billion, two hundred twenty million, one hundred thirty-five thousand, three hundred nine".