141671009 has 4 divisors (see below), whose sum is σ = 141709716. Its totient is φ = 141632304.

The previous prime is 141670987. The next prime is 141671021. The reversal of 141671009 is 900176141.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55830784 + 85840225 = 7472^2 + 9265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141671009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (141671029) by changing a digit.

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, 13214 + ... + 21399.

It is an arithmetic number, because the mean of its divisors is an integer number (35427429).

Almost surely, 2^141671009 is an apocalyptic number.

It is an amenable number.

141671009 is a deficient number, since it is larger than the sum of its proper divisors (38707).

141671009 is an equidigital number, since it uses as much as digits as its factorization.

141671009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38706.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 141671009 is about 11902.5631273268. The cubic root of 141671009 is about 521.3071269484.

The spelling of 141671009 in words is "one hundred forty-one million, six hundred seventy-one thousand, nine".