8386135437 has 4 divisors (see below), whose sum is σ = 11181513920. Its totient is φ = 5590756956.

The previous prime is 8386135403. The next prime is 8386135453. The reversal of 8386135437 is 7345316838.

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 8386135437 - 2¹¹ = 8386133389 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 (8386135477) 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 3 ways as a sum of consecutive naturals, for example, 1397689237 + ... + 1397689242.

It is an arithmetic number, because the mean of its divisors is an integer number (2795378480).

Almost surely, 2^8386135437 is an apocalyptic number.

It is an amenable number.

8386135437 is a deficient number, since it is larger than the sum of its proper divisors (2795378483).

8386135437 is a wasteful number, since it uses less digits than its factorization.

8386135437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795378482.

The product of its digits is 1451520, while the sum is 48.

The square root of 8386135437 is about 91575.8452704642. The cubic root of 8386135437 is about 2031.6736936669.

The spelling of 8386135437 in words is "eight billion, three hundred eighty-six million, one hundred thirty-five thousand, four hundred thirty-seven".