189038042 has 16 divisors (see below), whose sum is σ = 290096640. Its totient is φ = 92346288.

The previous prime is 189038023. The next prime is 189038071. The reversal of 189038042 is 240830981.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 189037993 and 189038011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66188 + ... + 68984.

It is an arithmetic number, because the mean of its divisors is an integer number (18131040).

Almost surely, 2^189038042 is an apocalyptic number.

189038042 is a deficient number, since it is larger than the sum of its proper divisors (101058598).

189038042 is a wasteful number, since it uses less digits than its factorization.

189038042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 189038042 is about 13749.1105894163. The cubic root of 189038042 is about 573.9178558085.

The spelling of 189038042 in words is "one hundred eighty-nine million, thirty-eight thousand, forty-two".