8536138854 has 24 divisors (see below), whose sum is σ = 18018114840. Its totient is φ = 2695622112.

The previous prime is 8536138841. The next prime is 8536138861. The reversal of 8536138854 is 4588316358.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8536138797 and 8536138806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1968319 + ... + 1972650.

It is an arithmetic number, because the mean of its divisors is an integer number (750754785).

Almost surely, 2^8536138854 is an apocalyptic number.

8536138854 is an abundant number, since it is smaller than the sum of its proper divisors (9481975986).

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

8536138854 is a wasteful number, since it uses less digits than its factorization.

8536138854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941012 (or 3940993 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 51.

The square root of 8536138854 is about 92391.2271484690. The cubic root of 8536138854 is about 2043.7157427770.

The spelling of 8536138854 in words is "eight billion, five hundred thirty-six million, one hundred thirty-eight thousand, eight hundred fifty-four".