189321754 has 8 divisors (see below), whose sum is σ = 284045940. Its totient is φ = 94639776.

The previous prime is 189321751. The next prime is 189321761. The reversal of 189321754 is 457123981.

It can be written as a sum of positive squares in 2 ways, for example, as 121506529 + 67815225 = 11023^2 + 8235^2 .

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

It is not an unprimeable number, because it can be changed into a prime (189321751) 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, 5622 + ... + 20254.

Almost surely, 2^189321754 is an apocalyptic number.

189321754 is a deficient number, since it is larger than the sum of its proper divisors (94724186).

189321754 is a wasteful number, since it uses less digits than its factorization.

189321754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21104.

The product of its digits is 60480, while the sum is 40.

The square root of 189321754 is about 13759.4241885335. The cubic root of 189321754 is about 574.2048280155.

The spelling of 189321754 in words is "one hundred eighty-nine million, three hundred twenty-one thousand, seven hundred fifty-four".