1149440734 has 8 divisors (see below), whose sum is σ = 1856788920. Its totient is φ = 530511096.

The previous prime is 1149440731. The next prime is 1149440753. The reversal of 1149440734 is 4370449411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1149440693 and 1149440702.

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 3 ways as a sum of consecutive naturals, for example, 22104604 + ... + 22104655.

It is an arithmetic number, because the mean of its divisors is an integer number (232098615).

Almost surely, 2^1149440734 is an apocalyptic number.

1149440734 is a deficient number, since it is larger than the sum of its proper divisors (707348186).

1149440734 is a wasteful number, since it uses less digits than its factorization.

1149440734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44209274.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1149440734 is about 33903.4029855411. The cubic root of 1149440734 is about 1047.5196887788.

The spelling of 1149440734 in words is "one billion, one hundred forty-nine million, four hundred forty thousand, seven hundred thirty-four".