1158442134 has 32 divisors (see below), whose sum is σ = 2355785856. Its totient is φ = 379717440.

The previous prime is 1158442121. The next prime is 1158442157. The reversal of 1158442134 is 4312448511.

It is a junction number, because it is equal to n+sod(n) for n = 1158442095 and 1158442104.

It is a congruent number.

It is an unprimeable number.

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, 81369 + ... + 94539.

It is an arithmetic number, because the mean of its divisors is an integer number (73618308).

Almost surely, 2^1158442134 is an apocalyptic number.

1158442134 is an abundant number, since it is smaller than the sum of its proper divisors (1197343722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1158442134 is a wasteful number, since it uses less digits than its factorization.

1158442134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420.

The product of its digits is 15360, while the sum is 33.

The square root of 1158442134 is about 34035.8947877090. The cubic root of 1158442134 is about 1050.2469967684.

The spelling of 1158442134 in words is "one billion, one hundred fifty-eight million, four hundred forty-two thousand, one hundred thirty-four".