1158140159 has 4 divisors (see below), whose sum is σ = 1263425640. Its totient is φ = 1052854680.

The previous prime is 1158140119. The next prime is 1158140167. The reversal of 1158140159 is 9510418511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1158140159 - 2¹⁶ = 1158074623 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 (1158140119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 52642724 + ... + 52642745.

It is an arithmetic number, because the mean of its divisors is an integer number (315856410).

Almost surely, 2^1158140159 is an apocalyptic number.

1158140159 is a deficient number, since it is larger than the sum of its proper divisors (105285481).

1158140159 is a wasteful number, since it uses less digits than its factorization.

1158140159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105285480.

The product of its (nonzero) digits is 7200, while the sum is 35.

The square root of 1158140159 is about 34031.4583730994. The cubic root of 1158140159 is about 1050.1557317011.

The spelling of 1158140159 in words is "one billion, one hundred fifty-eight million, one hundred forty thousand, one hundred fifty-nine".