8543136842 has 8 divisors (see below), whose sum is σ = 12815788032. Its totient is φ = 4271207500.

The previous prime is 8543136827. The next prime is 8543136851. The reversal of 8543136842 is 2486313458.

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

It is a super-2 number, since 2×8543136842² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8543136793 and 8543136802.

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, 149834 + ... + 198837.

It is an arithmetic number, because the mean of its divisors is an integer number (1601973504).

Almost surely, 2^8543136842 is an apocalyptic number.

8543136842 is a deficient number, since it is larger than the sum of its proper divisors (4272651190).

8543136842 is a wasteful number, since it uses less digits than its factorization.

8543136842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360924.

The product of its digits is 552960, while the sum is 44.

The square root of 8543136842 is about 92429.0908859327. The cubic root of 8543136842 is about 2044.2740745161.

The spelling of 8543136842 in words is "eight billion, five hundred forty-three million, one hundred thirty-six thousand, eight hundred forty-two".