1132857648 has 120 divisors (see below), whose sum is σ = 3432592800. Its totient is φ = 346705920.

The previous prime is 1132857629. The next prime is 1132857673. The reversal of 1132857648 is 8467582311.

1132857648 is a `hidden beast` number, since 1 + 1 + 32 + 8 + 576 + 48 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371008 + ... + 374048.

It is an arithmetic number, because the mean of its divisors is an integer number (28604940).

Almost surely, 2^1132857648 is an apocalyptic number.

1132857648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1132857648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1716296400).

1132857648 is an abundant number, since it is smaller than the sum of its proper divisors (2299735152).

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

1132857648 is a wasteful number, since it uses less digits than its factorization.

1132857648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267 (or 3258 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 1132857648 is about 33657.9507397584. The cubic root of 1132857648 is about 1042.4577130338.

The spelling of 1132857648 in words is "one billion, one hundred thirty-two million, eight hundred fifty-seven thousand, six hundred forty-eight".