855136547 has 4 divisors (see below), whose sum is σ = 855266256. Its totient is φ = 855006840.

The previous prime is 855136537. The next prime is 855136559. The reversal of 855136547 is 745631558.

855136547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 855136547 - 2¹² = 855132451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855136498 and 855136507.

It is not an unprimeable number, because it can be changed into a prime (855136507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54404 + ... + 68337.

It is an arithmetic number, because the mean of its divisors is an integer number (213816564).

Almost surely, 2^855136547 is an apocalyptic number.

855136547 is a deficient number, since it is larger than the sum of its proper divisors (129709).

855136547 is a wasteful number, since it uses less digits than its factorization.

855136547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129708.

The product of its digits is 504000, while the sum is 44.

The square root of 855136547 is about 29242.7178456449. The cubic root of 855136547 is about 949.1725193361.

The spelling of 855136547 in words is "eight hundred fifty-five million, one hundred thirty-six thousand, five hundred forty-seven".