189127042 has 8 divisors (see below), whose sum is σ = 305512956. Its totient is φ = 87289392.

The previous prime is 189127033. The next prime is 189127073. The reversal of 189127042 is 240721981.

It can be written as a sum of positive squares in 2 ways, for example, as 188485441 + 641601 = 13729^2 + 801^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 189126989 and 189127007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3637033 + ... + 3637084.

Almost surely, 2^189127042 is an apocalyptic number.

189127042 is a deficient number, since it is larger than the sum of its proper divisors (116385914).

189127042 is a wasteful number, since it uses less digits than its factorization.

189127042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7274132.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 189127042 is about 13752.3467815497. The cubic root of 189127042 is about 574.0079094201.

The spelling of 189127042 in words is "one hundred eighty-nine million, one hundred twenty-seven thousand, forty-two".