189119318 has 8 divisors (see below), whose sum is σ = 287097048. Its totient is φ = 93420304.

The previous prime is 189119311. The next prime is 189119323. The reversal of 189119318 is 813911981.

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

It is a super-2 number, since 2×189119318² = 71532232881570248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189119311) 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, 569471 + ... + 569802.

It is an arithmetic number, because the mean of its divisors is an integer number (35887131).

Almost surely, 2^189119318 is an apocalyptic number.

189119318 is a deficient number, since it is larger than the sum of its proper divisors (97977730).

189119318 is a wasteful number, since it uses less digits than its factorization.

189119318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139358.

The product of its digits is 15552, while the sum is 41.

The square root of 189119318 is about 13752.0659538849. The cubic root of 189119318 is about 574.0000951005. Note that the first 4 decimals are identical.

The spelling of 189119318 in words is "one hundred eighty-nine million, one hundred nineteen thousand, three hundred eighteen".