1149440733 has 32 divisors (see below), whose sum is σ = 1982880000. Its totient is φ = 644424768.

The previous prime is 1149440731. The next prime is 1149440753. The reversal of 1149440733 is 3370449411.

1149440733 is a `hidden beast` number, since 1 + 149 + 440 + 73 + 3 = 666.

It is not a de Polignac number, because 1149440733 - 2¹ = 1149440731 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149440731) 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 31 ways as a sum of consecutive naturals, for example, 47358 + ... + 67391.

It is an arithmetic number, because the mean of its divisors is an integer number (61965000).

Almost surely, 2^1149440733 is an apocalyptic number.

It is an amenable number.

1149440733 is a deficient number, since it is larger than the sum of its proper divisors (833439267).

1149440733 is a wasteful number, since it uses less digits than its factorization.

1149440733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114818 (or 114812 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1149440733 is about 33903.4029707934. The cubic root of 1149440733 is about 1047.5196884750.

The spelling of 1149440733 in words is "one billion, one hundred forty-nine million, four hundred forty thousand, seven hundred thirty-three".