855135396 has 36 divisors (see below), whose sum is σ = 2168440092. Its totient is φ = 284142144.

The previous prime is 855135389. The next prime is 855135409. The reversal of 855135396 is 693531558.

855135396 is a `hidden beast` number, since 8 + 551 + 3 + 5 + 3 + 96 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 167961600 + 687173796 = 12960^2 + 26214^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26055 + ... + 48878.

It is an arithmetic number, because the mean of its divisors is an integer number (60234447).

Almost surely, 2^855135396 is an apocalyptic number.

It is an amenable number.

855135396 is an abundant number, since it is smaller than the sum of its proper divisors (1313304696).

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

855135396 is a wasteful number, since it uses less digits than its factorization.

855135396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75260 (or 75255 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 855135396 is about 29242.6981655250. The cubic root of 855135396 is about 949.1720934789.

It can be divided in two parts, 85513 and 5396, that added together give a palindrome (90909).

The spelling of 855135396 in words is "eight hundred fifty-five million, one hundred thirty-five thousand, three hundred ninety-six".