1134831285 has 48 divisors (see below), whose sum is σ = 2250743040. Its totient is φ = 518158080.

The previous prime is 1134831241. The next prime is 1134831307. The reversal of 1134831285 is 5821384311.

1134831285 is a `hidden beast` number, since 1 + 1 + 348 + 31 + 285 = 666.

It is not a de Polignac number, because 1134831285 - 2⁷ = 1134831157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 354040 + ... + 357230.

It is an arithmetic number, because the mean of its divisors is an integer number (46890480).

Almost surely, 2^1134831285 is an apocalyptic number.

1134831285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1134831285 is a deficient number, since it is larger than the sum of its proper divisors (1115911755).

1134831285 is a wasteful number, since it uses less digits than its factorization.

1134831285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338 (or 4335 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1134831285 is about 33687.2570121107. The cubic root of 1134831285 is about 1043.0627432918.

The spelling of 1134831285 in words is "one billion, one hundred thirty-four million, eight hundred thirty-one thousand, two hundred eighty-five".