1133249890 has 8 divisors (see below), whose sum is σ = 2039849820. Its totient is φ = 453299952.

The previous prime is 1133249867. The next prime is 1133249899. The reversal of 1133249890 is 989423311.

It can be written as a sum of positive squares in 2 ways, for example, as 1015505689 + 117744201 = 31867^2 + 10851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1133249899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56662485 + ... + 56662504.

Almost surely, 2^1133249890 is an apocalyptic number.

1133249890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1133249890 is a deficient number, since it is larger than the sum of its proper divisors (906599930).

1133249890 is a wasteful number, since it uses less digits than its factorization.

1133249890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113324996.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1133249890 is about 33663.7771202223. Note that the first 3 decimals coincide. The cubic root of 1133249890 is about 1042.5780130897.

The spelling of 1133249890 in words is "one billion, one hundred thirty-three million, two hundred forty-nine thousand, eight hundred ninety".