1158197214 has 8 divisors (see below), whose sum is σ = 2316394440. Its totient is φ = 386065736.

The previous prime is 1158197213. The next prime is 1158197251. The reversal of 1158197214 is 4127918511.

1158197214 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

1158197214 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158197213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96516429 + ... + 96516440.

It is an arithmetic number, because the mean of its divisors is an integer number (289549305).

Almost surely, 2^1158197214 is an apocalyptic number.

1158197214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1158197214 is a wasteful number, since it uses less digits than its factorization.

1158197214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193032874.

The product of its digits is 20160, while the sum is 39.

The square root of 1158197214 is about 34032.2966312883. The cubic root of 1158197214 is about 1050.1729764910.

The spelling of 1158197214 in words is "one billion, one hundred fifty-eight million, one hundred ninety-seven thousand, two hundred fourteen".