8538134807 has 4 divisors (see below), whose sum is σ = 8538319776. Its totient is φ = 8537949840.

The previous prime is 8538134779. The next prime is 8538134849. The reversal of 8538134807 is 7084318358.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8538134807 - 2¹⁴ = 8538118423 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 (8538134867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40403 + ... + 136779.

It is an arithmetic number, because the mean of its divisors is an integer number (2134579944).

Almost surely, 2^8538134807 is an apocalyptic number.

8538134807 is a deficient number, since it is larger than the sum of its proper divisors (184969).

8538134807 is an equidigital number, since it uses as much as digits as its factorization.

8538134807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184968.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 8538134807 is about 92402.0281541482. The cubic root of 8538134807 is about 2043.8750202030.

The spelling of 8538134807 in words is "eight billion, five hundred thirty-eight million, one hundred thirty-four thousand, eight hundred seven".