1131653008 has 40 divisors (see below), whose sum is σ = 2353396248. Its totient is φ = 525238272.

The previous prime is 1131652999. The next prime is 1131653009. The reversal of 1131653008 is 8003561311.

It can be written as a sum of positive squares in 4 ways, for example, as 522945424 + 608707584 = 22868^2 + 24672^2 .

It is not an unprimeable number, because it can be changed into a prime (1131653009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8641 + ... + 48352.

Almost surely, 2^1131653008 is an apocalyptic number.

It is an amenable number.

1131653008 is an abundant number, since it is smaller than the sum of its proper divisors (1221743240).

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

1131653008 is a wasteful number, since it uses less digits than its factorization.

1131653008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57091 (or 57085 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1131653008 is about 33640.0506539452. The cubic root of 1131653008 is about 1042.0880779950.

The spelling of 1131653008 in words is "one billion, one hundred thirty-one million, six hundred fifty-three thousand, eight".