189718034 has 8 divisors (see below), whose sum is σ = 310447728. Its totient is φ = 86235460.

The previous prime is 189718033. The next prime is 189718037. The reversal of 189718034 is 430817981.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 189717982 and 189718000.

It is not an unprimeable number, because it can be changed into a prime (189718033) 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, 4311752 + ... + 4311795.

It is an arithmetic number, because the mean of its divisors is an integer number (38805966).

Almost surely, 2^189718034 is an apocalyptic number.

189718034 is a deficient number, since it is larger than the sum of its proper divisors (120729694).

189718034 is a wasteful number, since it uses less digits than its factorization.

189718034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8623560.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 189718034 is about 13773.8169727930. The cubic root of 189718034 is about 574.6051822727.

The spelling of 189718034 in words is "one hundred eighty-nine million, seven hundred eighteen thousand, thirty-four".