1133238905 has 8 divisors (see below), whose sum is σ = 1364261184. Its totient is φ = 903674800.

The previous prime is 1133238889. The next prime is 1133238937. The reversal of 1133238905 is 5098323311.

It is a happy number.

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

It is not a de Polignac number, because 1133238905 - 2⁴ = 1133238889 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 362831 + ... + 365940.

It is an arithmetic number, because the mean of its divisors is an integer number (170532648).

Almost surely, 2^1133238905 is an apocalyptic number.

It is an amenable number.

1133238905 is a deficient number, since it is larger than the sum of its proper divisors (231022279).

1133238905 is an equidigital number, since it uses as much as digits as its factorization.

1133238905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729087.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1133238905 is about 33663.6139622590. The cubic root of 1133238905 is about 1042.5746443839.

The spelling of 1133238905 in words is "one billion, one hundred thirty-three million, two hundred thirty-eight thousand, nine hundred five".