1134321320 has 32 divisors (see below), whose sum is σ = 2784244320. Its totient is φ = 412480320.

The previous prime is 1134321313. The next prime is 1134321329. The reversal of 1134321320 is 231234311.

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

It is a junction number, because it is equal to n+sod(n) for n = 1134321292 and 1134321301.

It is not an unprimeable number, because it can be changed into a prime (1134321329) 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, 1288562 + ... + 1289441.

It is an arithmetic number, because the mean of its divisors is an integer number (87007635).

Almost surely, 2^1134321320 is an apocalyptic number.

1134321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1134321320 is an abundant number, since it is smaller than the sum of its proper divisors (1649923000).

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

1134321320 is a wasteful number, since it uses less digits than its factorization.

1134321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578025 (or 2578021 counting only the distinct ones).

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

The square root of 1134321320 is about 33679.6870531779. The cubic root of 1134321320 is about 1042.9064777168.

Adding to 1134321320 its reverse (231234311), we get a palindrome (1365555631).

The spelling of 1134321320 in words is "one billion, one hundred thirty-four million, three hundred twenty-one thousand, three hundred twenty".