1158275738 has 16 divisors (see below), whose sum is σ = 1748407680. Its totient is φ = 575484000.

The previous prime is 1158275731. The next prime is 1158275803. The reversal of 1158275738 is 8375728511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1158275692 and 1158275701.

It is not an unprimeable number, because it can be changed into a prime (1158275731) 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 7 ways as a sum of consecutive naturals, for example, 246713 + ... + 251363.

It is an arithmetic number, because the mean of its divisors is an integer number (109275480).

Almost surely, 2^1158275738 is an apocalyptic number.

1158275738 is a deficient number, since it is larger than the sum of its proper divisors (590131942).

1158275738 is a wasteful number, since it uses less digits than its factorization.

1158275738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413.

The product of its digits is 470400, while the sum is 47.

The square root of 1158275738 is about 34033.4502805696. The cubic root of 1158275738 is about 1050.1967093287.

The spelling of 1158275738 in words is "one billion, one hundred fifty-eight million, two hundred seventy-five thousand, seven hundred thirty-eight".