1153459138 has 24 divisors (see below), whose sum is σ = 1875603600. Its totient is φ = 531773424.

The previous prime is 1153459121. The next prime is 1153459159. The reversal of 1153459138 is 8319543511.

It is a self number, because there is not a number n which added to its sum of digits gives 1153459138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491973 + ... + 494311.

It is an arithmetic number, because the mean of its divisors is an integer number (78150150).

Almost surely, 2^1153459138 is an apocalyptic number.

1153459138 is a deficient number, since it is larger than the sum of its proper divisors (722144462).

1153459138 is a wasteful number, since it uses less digits than its factorization.

1153459138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826 (or 3813 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The square root of 1153459138 is about 33962.6138275604. The cubic root of 1153459138 is about 1048.7389662452.

The spelling of 1153459138 in words is "one billion, one hundred fifty-three million, four hundred fifty-nine thousand, one hundred thirty-eight".