1135227285 has 32 divisors (see below), whose sum is σ = 2083292160. Its totient is φ = 585921600.

The previous prime is 1135227251. The next prime is 1135227293. The reversal of 1135227285 is 5827225311.

1135227285 is a `hidden beast` number, since 1 + 1 + 352 + 27 + 285 = 666.

It is not a de Polignac number, because 1135227285 - 2⁷ = 1135227157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131446 + ... + 139815.

It is an arithmetic number, because the mean of its divisors is an integer number (65102880).

Almost surely, 2^1135227285 is an apocalyptic number.

1135227285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1135227285 is a deficient number, since it is larger than the sum of its proper divisors (948064875).

1135227285 is a wasteful number, since it uses less digits than its factorization.

1135227285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271306 (or 271300 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 1135227285 is about 33693.1340928682. The cubic root of 1135227285 is about 1043.1840549546.

The spelling of 1135227285 in words is "one billion, one hundred thirty-five million, two hundred twenty-seven thousand, two hundred eighty-five".