8139682554 has 16 divisors (see below), whose sum is σ = 16298460192. Its totient is φ = 2710045008.

The previous prime is 8139682547. The next prime is 8139682591. The reversal of 8139682554 is 4552869318.

It is a junction number, because it is equal to n+sod(n) for n = 8139682497 and 8139682506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790084 + ... + 800319.

It is an arithmetic number, because the mean of its divisors is an integer number (1018653762).

Almost surely, 2^8139682554 is an apocalyptic number.

8139682554 is an abundant number, since it is smaller than the sum of its proper divisors (8158777638).

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

8139682554 is a wasteful number, since it uses less digits than its factorization.

8139682554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591261.

The product of its digits is 2073600, while the sum is 51.

The square root of 8139682554 is about 90220.1892815572. The cubic root of 8139682554 is about 2011.5731151637.

The spelling of 8139682554 in words is "eight billion, one hundred thirty-nine million, six hundred eighty-two thousand, five hundred fifty-four".