189188414 has 4 divisors (see below), whose sum is σ = 283782624. Its totient is φ = 94594206.

The previous prime is 189188411. The next prime is 189188423. The reversal of 189188414 is 414881981.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189188411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47297102 + ... + 47297105.

It is an arithmetic number, because the mean of its divisors is an integer number (70945656).

Almost surely, 2^189188414 is an apocalyptic number.

189188414 is a deficient number, since it is larger than the sum of its proper divisors (94594210).

189188414 is an equidigital number, since it uses as much as digits as its factorization.

189188414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94594209.

The product of its digits is 73728, while the sum is 44.

The square root of 189188414 is about 13754.5779288206. The cubic root of 189188414 is about 574.0699915056.

The spelling of 189188414 in words is "one hundred eighty-nine million, one hundred eighty-eight thousand, four hundred fourteen".