1133331144 has 32 divisors (see below), whose sum is σ = 3090903840. Its totient is φ = 343433600.

The previous prime is 1133331113. The next prime is 1133331149. The reversal of 1133331144 is 4411333311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1133331149) 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, 2146197 + ... + 2146724.

It is an arithmetic number, because the mean of its divisors is an integer number (96590745).

Almost surely, 2^1133331144 is an apocalyptic number.

It is an amenable number.

1133331144 is an abundant number, since it is smaller than the sum of its proper divisors (1957572696).

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

1133331144 is a wasteful number, since it uses less digits than its factorization.

1133331144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292941 (or 4292937 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 1133331144 is about 33664.9839447459. The cubic root of 1133331144 is about 1042.6029301035.

Adding to 1133331144 its reverse (4411333311), we get a palindrome (5544664455).

The spelling of 1133331144 in words is "one billion, one hundred thirty-three million, three hundred thirty-one thousand, one hundred forty-four".