8531998134 has 32 divisors (see below), whose sum is σ = 18618785280. Its totient is φ = 2584965600.

The previous prime is 8531998121. The next prime is 8531998147. The reversal of 8531998134 is 4318991358.

It is an interprime number because it is at equal distance from previous prime (8531998121) and next prime (8531998147).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503764 + ... + 520424.

It is an arithmetic number, because the mean of its divisors is an integer number (581837040).

Almost surely, 2^8531998134 is an apocalyptic number.

8531998134 is an abundant number, since it is smaller than the sum of its proper divisors (10086787146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8531998134 is a wasteful number, since it uses less digits than its factorization.

8531998134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24436.

The product of its digits is 933120, while the sum is 51.

The square root of 8531998134 is about 92368.8158092329. The cubic root of 8531998134 is about 2043.3852333398.

The spelling of 8531998134 in words is "eight billion, five hundred thirty-one million, nine hundred ninety-eight thousand, one hundred thirty-four".