1091133348 has 24 divisors (see below), whose sum is σ = 2555665728. Its totient is φ = 362327136.

The previous prime is 1091133347. The next prime is 1091133353. The reversal of 1091133348 is 8433311901.

It is not an unprimeable number, because it can be changed into a prime (1091133347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169711 + ... + 176022.

It is an arithmetic number, because the mean of its divisors is an integer number (106486072).

Almost surely, 2^1091133348 is an apocalyptic number.

It is an amenable number.

1091133348 is an abundant number, since it is smaller than the sum of its proper divisors (1464532380).

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

1091133348 is a wasteful number, since it uses less digits than its factorization.

1091133348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346003 (or 346001 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1091133348 is about 33032.3076396427. The cubic root of 1091133348 is about 1029.4990330961.

The spelling of 1091133348 in words is "one billion, ninety-one million, one hundred thirty-three thousand, three hundred forty-eight".