856207134 has 24 divisors (see below), whose sum is σ = 1855986912. Its totient is φ = 285268320.

The previous prime is 856207129. The next prime is 856207139. The reversal of 856207134 is 431702658.

856207134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (856207129) and next prime (856207139).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856207139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32914 + ... + 52874.

It is an arithmetic number, because the mean of its divisors is an integer number (77332788).

Almost surely, 2^856207134 is an apocalyptic number.

856207134 is an abundant number, since it is smaller than the sum of its proper divisors (999779778).

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

856207134 is a wasteful number, since it uses less digits than its factorization.

856207134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22352 (or 22349 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 856207134 is about 29261.0173097246. The cubic root of 856207134 is about 949.5684592178.

The spelling of 856207134 in words is "eight hundred fifty-six million, two hundred seven thousand, one hundred thirty-four".