1149688393 has 16 divisors (see below), whose sum is σ = 1392833664. Its totient is φ = 926403840.

The previous prime is 1149688391. The next prime is 1149688409. The reversal of 1149688393 is 3938869411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1149688393 - 2¹ = 1149688391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1149688393.

It is not an unprimeable number, because it can be changed into a prime (1149688391) 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 15 ways as a sum of consecutive naturals, for example, 106846 + ... + 117112.

It is an arithmetic number, because the mean of its divisors is an integer number (87052104).

Almost surely, 2^1149688393 is an apocalyptic number.

It is an amenable number.

1149688393 is a deficient number, since it is larger than the sum of its proper divisors (243145271).

1149688393 is a wasteful number, since it uses less digits than its factorization.

1149688393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11232.

The product of its digits is 1119744, while the sum is 52.

The square root of 1149688393 is about 33907.0552097937. The cubic root of 1149688393 is about 1047.5949163920.

The spelling of 1149688393 in words is "one billion, one hundred forty-nine million, six hundred eighty-eight thousand, three hundred ninety-three".