1132311040 has 160 divisors (see below), whose sum is σ = 3128906880. Its totient is φ = 384958464.

The previous prime is 1132311031. The next prime is 1132311073. The reversal of 1132311040 is 401132311.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3207504 + ... + 3207856.

It is an arithmetic number, because the mean of its divisors is an integer number (19555668).

Almost surely, 2^1132311040 is an apocalyptic number.

1132311040 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 1132311040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564453440).

1132311040 is an abundant number, since it is smaller than the sum of its proper divisors (1996595840).

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

1132311040 is an equidigital number, since it uses as much as digits as its factorization.

1132311040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1132311040 is about 33649.8297172512. The cubic root of 1132311040 is about 1042.2900228280.

Adding to 1132311040 its reverse (401132311), we get a palindrome (1533443351).

The spelling of 1132311040 in words is "one billion, one hundred thirty-two million, three hundred eleven thousand, forty".