1149736328 has 64 divisors (see below), whose sum is σ = 2447020800. Its totient is φ = 502444800.

The previous prime is 1149736307. The next prime is 1149736337. The reversal of 1149736328 is 8236379411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239213 + ... + 243971.

It is an arithmetic number, because the mean of its divisors is an integer number (38234700).

Almost surely, 2^1149736328 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 1149736328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223510400).

1149736328 is an abundant number, since it is smaller than the sum of its proper divisors (1297284472).

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

1149736328 is a wasteful number, since it uses less digits than its factorization.

1149736328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902 (or 4898 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 1149736328 is about 33907.7620612154. The cubic root of 1149736328 is about 1047.6094756310.

The spelling of 1149736328 in words is "one billion, one hundred forty-nine million, seven hundred thirty-six thousand, three hundred twenty-eight".