8427138313 has 32 divisors (see below), whose sum is σ = 9430401024. Its totient is φ = 7467000000.

The previous prime is 8427138311. The next prime is 8427138361. The reversal of 8427138313 is 3138317248.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8427138313 - 2¹ = 8427138311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8427138311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32042220 + ... + 32042482.

It is an arithmetic number, because the mean of its divisors is an integer number (294700032).

Almost surely, 2^8427138313 is an apocalyptic number.

It is an amenable number.

8427138313 is a deficient number, since it is larger than the sum of its proper divisors (1003262711).

8427138313 is a wasteful number, since it uses less digits than its factorization.

8427138313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its digits is 96768, while the sum is 40.

The square root of 8427138313 is about 91799.4461475667. The cubic root of 8427138313 is about 2034.9795097213.

The spelling of 8427138313 in words is "eight billion, four hundred twenty-seven million, one hundred thirty-eight thousand, three hundred thirteen".