1158217934 has 8 divisors (see below), whose sum is σ = 1739509128. Its totient is φ = 578381560.

The previous prime is 1158217913. The next prime is 1158217937. The reversal of 1158217934 is 4397128511.

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

It is a junction number, because it is equal to n+sod(n) for n = 1158217891 and 1158217900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158217937) 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, 361712 + ... + 364899.

It is an arithmetic number, because the mean of its divisors is an integer number (217438641).

Almost surely, 2^1158217934 is an apocalyptic number.

1158217934 is a deficient number, since it is larger than the sum of its proper divisors (581291194).

1158217934 is an equidigital number, since it uses as much as digits as its factorization.

1158217934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727410.

The product of its digits is 60480, while the sum is 41.

The square root of 1158217934 is about 34032.6010466435. The cubic root of 1158217934 is about 1050.1792389404.

The spelling of 1158217934 in words is "one billion, one hundred fifty-eight million, two hundred seventeen thousand, nine hundred thirty-four".