189144035 has 4 divisors (see below), whose sum is σ = 226972848. Its totient is φ = 151315224.

The previous prime is 189144017. The next prime is 189144079. The reversal of 189144035 is 530441981.

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

It is a cyclic number.

It is not a de Polignac number, because 189144035 - 2¹⁰ = 189143011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189143986 and 189144004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18914399 + ... + 18914408.

It is an arithmetic number, because the mean of its divisors is an integer number (56743212).

Almost surely, 2^189144035 is an apocalyptic number.

189144035 is a deficient number, since it is larger than the sum of its proper divisors (37828813).

189144035 is an equidigital number, since it uses as much as digits as its factorization.

189144035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37828812.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 189144035 is about 13752.9645894985. The cubic root of 189144035 is about 574.0251003766.

The spelling of 189144035 in words is "one hundred eighty-nine million, one hundred forty-four thousand, thirty-five".