8147134231 has 8 divisors (see below), whose sum is σ = 8369910864. Its totient is φ = 7925503680.

The previous prime is 8147134183. The next prime is 8147134271. The reversal of 8147134231 is 1324317418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8147134231 - 2⁷ = 8147134103 is a prime.

It is a super-2 number, since 2×8147134231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8147134271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272100 + ... + 300553.

It is an arithmetic number, because the mean of its divisors is an integer number (1046238858).

Almost surely, 2^8147134231 is an apocalyptic number.

8147134231 is a deficient number, since it is larger than the sum of its proper divisors (222776633).

8147134231 is a wasteful number, since it uses less digits than its factorization.

8147134231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573041.

The product of its digits is 16128, while the sum is 34.

The square root of 8147134231 is about 90261.4770043123. The cubic root of 8147134231 is about 2012.1867763289.

The spelling of 8147134231 in words is "eight billion, one hundred forty-seven million, one hundred thirty-four thousand, two hundred thirty-one".