1149327618 has 24 divisors (see below), whose sum is σ = 2402948688. Its totient is φ = 366451272.

The previous prime is 1149327547. The next prime is 1149327637. The reversal of 1149327618 is 8167239411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1149327618.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177880 + ... + 184227.

It is an arithmetic number, because the mean of its divisors is an integer number (100122862).

Almost surely, 2^1149327618 is an apocalyptic number.

1149327618 is an abundant number, since it is smaller than the sum of its proper divisors (1253621070).

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

1149327618 is a wasteful number, since it uses less digits than its factorization.

1149327618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362158 (or 362135 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 1149327618 is about 33901.7347343761. The cubic root of 1149327618 is about 1047.4853256546.

The spelling of 1149327618 in words is "one billion, one hundred forty-nine million, three hundred twenty-seven thousand, six hundred eighteen".