1132231340 has 24 divisors (see below), whose sum is σ = 2459676240. Its totient is φ = 437275328.

The previous prime is 1132231319. The next prime is 1132231343. The reversal of 1132231340 is 431322311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1132231343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975482 + ... + 976641.

It is an arithmetic number, because the mean of its divisors is an integer number (102486510).

Almost surely, 2^1132231340 is an apocalyptic number.

1132231340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132231340 is an abundant number, since it is smaller than the sum of its proper divisors (1327444900).

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

1132231340 is a wasteful number, since it uses less digits than its factorization.

1132231340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952161 (or 1952159 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1132231340 is about 33648.6454407900. The cubic root of 1132231340 is about 1042.2655676913.

Adding to 1132231340 its reverse (431322311), we get a palindrome (1563553651).

It can be divided in two parts, 11322 and 31340, that multiplied together give a triangular number (354831480 = T₂₆₆₃₉).

The spelling of 1132231340 in words is "one billion, one hundred thirty-two million, two hundred thirty-one thousand, three hundred forty".