189031342 has 32 divisors (see below), whose sum is σ = 312894720. Its totient is φ = 85250880.

The previous prime is 189031331. The next prime is 189031379. The reversal of 189031342 is 243130981.

189031342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273217 + ... + 273907.

It is an arithmetic number, because the mean of its divisors is an integer number (9777960).

Almost surely, 2^189031342 is an apocalyptic number.

189031342 is a deficient number, since it is larger than the sum of its proper divisors (123863378).

189031342 is a wasteful number, since it uses less digits than its factorization.

189031342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 189031342 is about 13748.8669351332. The cubic root of 189031342 is about 573.9110753478.

The spelling of 189031342 in words is "one hundred eighty-nine million, thirty-one thousand, three hundred forty-two".