1149894306 has 80 divisors (see below), whose sum is σ = 2858755680. Its totient is φ = 342515520.

The previous prime is 1149894281. The next prime is 1149894349. The reversal of 1149894306 is 6034989411.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 99670 + ... + 110606.

It is an arithmetic number, because the mean of its divisors is an integer number (35734446).

Almost surely, 2^1149894306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149894306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429377840).

1149894306 is an abundant number, since it is smaller than the sum of its proper divisors (1708861374).

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

1149894306 is a wasteful number, since it uses less digits than its factorization.

1149894306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11021 (or 11012 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1149894306 is about 33910.0915068066. The cubic root of 1149894306 is about 1047.6574552319.

The spelling of 1149894306 in words is "one billion, one hundred forty-nine million, eight hundred ninety-four thousand, three hundred six".