8554139 has 8 divisors (see below), whose sum is σ = 9429168. Its totient is φ = 7695360.

The previous prime is 8554127. The next prime is 8554153. The reversal of 8554139 is 9314558.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8554139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8554099 and 8554108.

It is not an unprimeable number, because it can be changed into a prime (8554639) 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, 2942 + ... + 5075.

It is an arithmetic number, because the mean of its divisors is an integer number (1178646).

Almost surely, 2^8554139 is an apocalyptic number.

8554139 is a deficient number, since it is larger than the sum of its proper divisors (875029).

8554139 is a wasteful number, since it uses less digits than its factorization.

8554139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125.

The product of its digits is 21600, while the sum is 35.

The square root of 8554139 is about 2924.7459718752. The cubic root of 8554139 is about 204.5151261221.

It can be divided in two parts, 855 and 4139, that added together give a palindrome (4994).

The spelling of 8554139 in words is "eight million, five hundred fifty-four thousand, one hundred thirty-nine".