1133152240 has 80 divisors (see below), whose sum is σ = 2917134720. Its totient is φ = 405884160.

The previous prime is 1133152231. The next prime is 1133152253. The reversal of 1133152240 is 422513311.

It is a happy number.

1133152240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49351 + ... + 68569.

It is an arithmetic number, because the mean of its divisors is an integer number (36464184).

Almost surely, 2^1133152240 is an apocalyptic number.

1133152240 is a gapful number since it is divisible by the number (10) 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 1133152240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458567360).

1133152240 is an abundant number, since it is smaller than the sum of its proper divisors (1783982480).

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

1133152240 is a wasteful number, since it uses less digits than its factorization.

1133152240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19310 (or 19304 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1133152240 is about 33662.3267169695. The cubic root of 1133152240 is about 1042.5480665709.

Adding to 1133152240 its reverse (422513311), we get a palindrome (1555665551).

The spelling of 1133152240 in words is "one billion, one hundred thirty-three million, one hundred fifty-two thousand, two hundred forty".