7856134 has 24 divisors (see below), whose sum is σ = 13927032. Its totient is φ = 3294720.

The previous prime is 7856089. The next prime is 7856161. The reversal of 7856134 is 4316587.

It is a self number, because there is not a number n which added to its sum of digits gives 7856134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2662 + ... + 4774.

It is an arithmetic number, because the mean of its divisors is an integer number (580293).

Almost surely, 2^7856134 is an apocalyptic number.

7856134 is a deficient number, since it is larger than the sum of its proper divisors (6070898).

7856134 is a wasteful number, since it uses less digits than its factorization.

7856134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152 (or 2139 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 7856134 is about 2802.8795907067. The cubic root of 7856134 is about 198.7938573889.

The spelling of 7856134 in words is "seven million, eight hundred fifty-six thousand, one hundred thirty-four".