189154704 has 40 divisors (see below), whose sum is σ = 505503360. Its totient is φ = 60876928.

The previous prime is 189154703. The next prime is 189154739. The reversal of 189154704 is 407451981.

It is not an unprimeable number, because it can be changed into a prime (189154703) 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, 66552 + ... + 69335.

It is an arithmetic number, because the mean of its divisors is an integer number (12637584).

Almost surely, 2^189154704 is an apocalyptic number.

It is an amenable number.

189154704 is an abundant number, since it is smaller than the sum of its proper divisors (316348656).

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

189154704 is a wasteful number, since it uses less digits than its factorization.

189154704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135927 (or 135921 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 189154704 is about 13753.3524640358. The cubic root of 189154704 is about 574.0358931369.

The spelling of 189154704 in words is "one hundred eighty-nine million, one hundred fifty-four thousand, seven hundred four".