189134754 has 8 divisors (see below), whose sum is σ = 378269520. Its totient is φ = 63044916.

The previous prime is 189134753. The next prime is 189134791. The reversal of 189134754 is 457431981.

It is a happy number.

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

189134754 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (189134753) 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, 15761224 + ... + 15761235.

It is an arithmetic number, because the mean of its divisors is an integer number (47283690).

Almost surely, 2^189134754 is an apocalyptic number.

189134754 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189134754 is a wasteful number, since it uses less digits than its factorization.

189134754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31522464.

The product of its digits is 120960, while the sum is 42.

The square root of 189134754 is about 13752.6271671997. The cubic root of 189134754 is about 574.0157113871.

The spelling of 189134754 in words is "one hundred eighty-nine million, one hundred thirty-four thousand, seven hundred fifty-four".