8135457898 has 8 divisors (see below), whose sum is σ = 12203572320. Its totient is φ = 4067600460.

The previous prime is 8135457881. The next prime is 8135457901. The reversal of 8135457898 is 8987545318.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77053 + ... + 149023.

It is an arithmetic number, because the mean of its divisors is an integer number (1525446540).

Almost surely, 2^8135457898 is an apocalyptic number.

8135457898 is a deficient number, since it is larger than the sum of its proper divisors (4068114422).

8135457898 is a wasteful number, since it uses less digits than its factorization.

8135457898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128492.

The product of its digits is 9676800, while the sum is 58.

The square root of 8135457898 is about 90196.7732127929. The cubic root of 8135457898 is about 2011.2250395459.

The spelling of 8135457898 in words is "eight billion, one hundred thirty-five million, four hundred fifty-seven thousand, eight hundred ninety-eight".