1158434376 has 64 divisors (see below), whose sum is σ = 3296747520. Its totient is φ = 335776320.

The previous prime is 1158434371. The next prime is 1158434429. The reversal of 1158434376 is 6734348511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1158434371) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 89320 + ... + 101463.

It is an arithmetic number, because the mean of its divisors is an integer number (51511680).

Almost surely, 2^1158434376 is an apocalyptic number.

It is an amenable number.

1158434376 is an abundant number, since it is smaller than the sum of its proper divisors (2138313144).

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

1158434376 is a wasteful number, since it uses less digits than its factorization.

1158434376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190826 (or 190822 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 1158434376 is about 34035.7808196022. The cubic root of 1158434376 is about 1050.2446522881.

It can be divided in two parts, 1158 and 434376, that added together give a palindrome (435534).

The spelling of 1158434376 in words is "one billion, one hundred fifty-eight million, four hundred thirty-four thousand, three hundred seventy-six".