856352135 has 16 divisors (see below), whose sum is σ = 1145340000. Its totient is φ = 610845696.

The previous prime is 856352131. The next prime is 856352143. The reversal of 856352135 is 531253658.

856352135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 856352135 - 2² = 856352131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856352131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263510 + ... + 266739.

It is an arithmetic number, because the mean of its divisors is an integer number (71583750).

Almost surely, 2^856352135 is an apocalyptic number.

856352135 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

856352135 is a deficient number, since it is larger than the sum of its proper divisors (288987865).

856352135 is a wasteful number, since it uses less digits than its factorization.

856352135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530290.

The product of its digits is 108000, while the sum is 38.

The square root of 856352135 is about 29263.4949211471. The cubic root of 856352135 is about 949.6220601899.

The spelling of 856352135 in words is "eight hundred fifty-six million, three hundred fifty-two thousand, one hundred thirty-five".