1131133400 has 48 divisors (see below), whose sum is σ = 2720584800. Its totient is φ = 436849280.

The previous prime is 1131133391. The next prime is 1131133411. The reversal of 1131133400 is 43311311.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 91712 + ... + 103311.

It is an arithmetic number, because the mean of its divisors is an integer number (56678850).

Almost surely, 2^1131133400 is an apocalyptic number.

1131133400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131133400 is an abundant number, since it is smaller than the sum of its proper divisors (1589451400).

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

1131133400 is a wasteful number, since it uses less digits than its factorization.

1131133400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195068 (or 195059 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1131133400 is about 33632.3267110677. The cubic root of 1131133400 is about 1041.9285590748.

Adding to 1131133400 its reverse (43311311), we get a palindrome (1174444711).

The spelling of 1131133400 in words is "one billion, one hundred thirty-one million, one hundred thirty-three thousand, four hundred".