1133728949 has 8 divisors (see below), whose sum is σ = 1183852800. Its totient is φ = 1083674416.

The previous prime is 1133728933. The next prime is 1133728961. The reversal of 1133728949 is 9498273311.

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

It is a cyclic number.

It is not a de Polignac number, because 1133728949 - 2⁴ = 1133728933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133728979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17627 + ... + 50775.

It is an arithmetic number, because the mean of its divisors is an integer number (147981600).

Almost surely, 2^1133728949 is an apocalyptic number.

It is an amenable number.

1133728949 is a deficient number, since it is larger than the sum of its proper divisors (50123851).

1133728949 is a wasteful number, since it uses less digits than its factorization.

1133728949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34659.

The product of its digits is 326592, while the sum is 47.

The square root of 1133728949 is about 33670.8917167336. The cubic root of 1133728949 is about 1042.7249021454.

The spelling of 1133728949 in words is "one billion, one hundred thirty-three million, seven hundred twenty-eight thousand, nine hundred forty-nine".