855926133 has 4 divisors (see below), whose sum is σ = 1141234848. Its totient is φ = 570617420.

The previous prime is 855926033. The next prime is 855926147. The reversal of 855926133 is 331629558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 855926133 - 2¹⁸ = 855663989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855926153) 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, 142654353 + ... + 142654358.

It is an arithmetic number, because the mean of its divisors is an integer number (285308712).

Almost surely, 2^855926133 is an apocalyptic number.

It is an amenable number.

855926133 is a deficient number, since it is larger than the sum of its proper divisors (285308715).

855926133 is a wasteful number, since it uses less digits than its factorization.

855926133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285308714.

The product of its digits is 194400, while the sum is 42.

The square root of 855926133 is about 29256.2152883793. The cubic root of 855926133 is about 949.4645673471.

The spelling of 855926133 in words is "eight hundred fifty-five million, nine hundred twenty-six thousand, one hundred thirty-three".