189013634 has 16 divisors (see below), whose sum is σ = 308071680. Its totient is φ = 86644080.

The previous prime is 189013613. The next prime is 189013637. The reversal of 189013634 is 436310981.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 189013594 and 189013603.

It is not an unprimeable number, because it can be changed into a prime (189013637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79049 + ... + 81404.

It is an arithmetic number, because the mean of its divisors is an integer number (19254480).

Almost surely, 2^189013634 is an apocalyptic number.

189013634 is a deficient number, since it is larger than the sum of its proper divisors (119058046).

189013634 is a wasteful number, since it uses less digits than its factorization.

189013634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160505.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 189013634 is about 13748.2229397112. Note that the first 3 decimals coincide. The cubic root of 189013634 is about 573.8931539199.

The spelling of 189013634 in words is "one hundred eighty-nine million, thirteen thousand, six hundred thirty-four".