189011434 has 8 divisors (see below), whose sum is σ = 286167168. Its totient is φ = 93622380.

The previous prime is 189011419. The next prime is 189011461. The reversal of 189011434 is 434110981.

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 = 189011396 and 189011405.

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 3 ways as a sum of consecutive naturals, for example, 441402 + ... + 441829.

It is an arithmetic number, because the mean of its divisors is an integer number (35770896).

Almost surely, 2^189011434 is an apocalyptic number.

189011434 is a deficient number, since it is larger than the sum of its proper divisors (97155734).

189011434 is a wasteful number, since it uses less digits than its factorization.

189011434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883340.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 189011434 is about 13748.1429291377. The cubic root of 189011434 is about 573.8909273259.

The spelling of 189011434 in words is "one hundred eighty-nine million, eleven thousand, four hundred thirty-four".