1149358716 has 144 divisors (see below), whose sum is σ = 3359341440. Its totient is φ = 327680640.

The previous prime is 1149358709. The next prime is 1149358747. The reversal of 1149358716 is 6178539411.

1149358716 is a `hidden beast` number, since 11 + 49 + 3 + 587 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1301211 + ... + 1302093.

It is an arithmetic number, because the mean of its divisors is an integer number (23328760).

Almost surely, 2^1149358716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149358716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679670720).

1149358716 is an abundant number, since it is smaller than the sum of its proper divisors (2209982724).

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

1149358716 is a wasteful number, since it uses less digits than its factorization.

1149358716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1091 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 1149358716 is about 33902.1933803699. The cubic root of 1149358716 is about 1047.4947730348.

The spelling of 1149358716 in words is "one billion, one hundred forty-nine million, three hundred fifty-eight thousand, seven hundred sixteen".