64856134 has 16 divisors (see below), whose sum is σ = 112843008. Its totient is φ = 27380232.

The previous prime is 64856131. The next prime is 64856167. The reversal of 64856134 is 43165846.

It is a happy number.

64856134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64856093 and 64856102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64856131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33634 + ... + 35509.

It is an arithmetic number, because the mean of its divisors is an integer number (7052688).

Almost surely, 2^64856134 is an apocalyptic number.

64856134 is a deficient number, since it is larger than the sum of its proper divisors (47986874).

64856134 is a wasteful number, since it uses less digits than its factorization.

64856134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69219.

The product of its digits is 69120, while the sum is 37.

The square root of 64856134 is about 8053.3306153417. The cubic root of 64856134 is about 401.7757179000.

It can be divided in two parts, 64856 and 134, that multiplied together give a square (8690704 = 2948²).

The spelling of 64856134 in words is "sixty-four million, eight hundred fifty-six thousand, one hundred thirty-four".