189231035 has 16 divisors (see below), whose sum is σ = 259743936. Its totient is φ = 129644928.

The previous prime is 189231019. The next prime is 189231047. The reversal of 189231035 is 530132981.

It is not a de Polignac number, because 189231035 - 2⁴ = 189231019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189230992 and 189231010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66257 + ... + 69053.

It is an arithmetic number, because the mean of its divisors is an integer number (16233996).

Almost surely, 2^189231035 is an apocalyptic number.

189231035 is a deficient number, since it is larger than the sum of its proper divisors (70512901).

189231035 is a wasteful number, since it uses less digits than its factorization.

189231035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 189231035 is about 13756.1271802786. The cubic root of 189231035 is about 574.1130977393.

The spelling of 189231035 in words is "one hundred eighty-nine million, two hundred thirty-one thousand, thirty-five".