8128534 has 8 divisors (see below), whose sum is σ = 12208968. Its totient is φ = 4058880.

The previous prime is 8128513. The next prime is 8128543. The reversal of 8128534 is 4358218.

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

It is a junction number, because it is equal to n+sod(n) for n = 8128496 and 8128505.

It is a congruent number.

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, 427 + ... + 4054.

It is an arithmetic number, because the mean of its divisors is an integer number (1526121).

Almost surely, 2^8128534 is an apocalyptic number.

8128534 is a deficient number, since it is larger than the sum of its proper divisors (4080434).

8128534 is a wasteful number, since it uses less digits than its factorization.

8128534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390.

The product of its digits is 7680, while the sum is 31.

The square root of 8128534 is about 2851.0583999631. The cubic root of 8128534 is about 201.0654308735.

The spelling of 8128534 in words is "eight million, one hundred twenty-eight thousand, five hundred thirty-four".