855023136 has 96 divisors (see below), whose sum is σ = 2494836288. Its totient is φ = 254192640.

The previous prime is 855023131. The next prime is 855023149. The reversal of 855023136 is 631320558.

855023136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 855023097 and 855023106.

It is not an unprimeable number, because it can be changed into a prime (855023131) 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, 48330 + ... + 63606.

It is an arithmetic number, because the mean of its divisors is an integer number (25987878).

Almost surely, 2^855023136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855023136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247418144).

855023136 is an abundant number, since it is smaller than the sum of its proper divisors (1639813152).

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

855023136 is a wasteful number, since it uses less digits than its factorization.

855023136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15354 (or 15346 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 855023136 is about 29240.7786490032. The cubic root of 855023136 is about 949.1305566951.

The spelling of 855023136 in words is "eight hundred fifty-five million, twenty-three thousand, one hundred thirty-six".