1158543734 has 16 divisors (see below), whose sum is σ = 1838868480. Its totient is φ = 545907240.

The previous prime is 1158543719. The next prime is 1158543751. The reversal of 1158543734 is 4373458511.

It is a junction number, because it is equal to n+sod(n) for n = 1158543691 and 1158543700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72554 + ... + 87069.

It is an arithmetic number, because the mean of its divisors is an integer number (114929280).

Almost surely, 2^1158543734 is an apocalyptic number.

1158543734 is a deficient number, since it is larger than the sum of its proper divisors (680324746).

1158543734 is a wasteful number, since it uses less digits than its factorization.

1158543734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159835.

The product of its digits is 201600, while the sum is 41.

The square root of 1158543734 is about 34037.3872969122. The cubic root of 1158543734 is about 1050.2776994890.

The spelling of 1158543734 in words is "one billion, one hundred fifty-eight million, five hundred forty-three thousand, seven hundred thirty-four".