8138602313 has 4 divisors (see below), whose sum is σ = 8148944400. Its totient is φ = 8128260228.

The previous prime is 8138602309. The next prime is 8138602333. The reversal of 8138602313 is 3132068318.

8138602313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8138602313 - 2² = 8138602309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8138602333) 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, 5169863 + ... + 5171436.

It is an arithmetic number, because the mean of its divisors is an integer number (2037236100).

Almost surely, 2^8138602313 is an apocalyptic number.

It is an amenable number.

8138602313 is a deficient number, since it is larger than the sum of its proper divisors (10342087).

8138602313 is a wasteful number, since it uses less digits than its factorization.

8138602313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10342086.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 8138602313 is about 90214.2023907544. The cubic root of 8138602313 is about 2011.4841239828.

The spelling of 8138602313 in words is "eight billion, one hundred thirty-eight million, six hundred two thousand, three hundred thirteen".