140589569161 has 4 divisors (see below), whose sum is σ = 140615413524. Its totient is φ = 140563724800.

The previous prime is 140589569093. The next prime is 140589569177. The reversal of 140589569161 is 161965985041.

It is a happy number.

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 78061566025 + 62528003136 = 279395^2 + 250056^2 .

It is a cyclic number.

It is not a de Polignac number, because 140589569161 - 2¹⁷ = 140589438089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140589539161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12914020 + ... + 12924901.

It is an arithmetic number, because the mean of its divisors is an integer number (35153853381).

Almost surely, 2^140589569161 is an apocalyptic number.

It is an amenable number.

140589569161 is a deficient number, since it is larger than the sum of its proper divisors (25844363).

140589569161 is an equidigital number, since it uses as much as digits as its factorization.

140589569161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25844362.

The product of its (nonzero) digits is 2332800, while the sum is 55.

The spelling of 140589569161 in words is "one hundred forty billion, five hundred eighty-nine million, five hundred sixty-nine thousand, one hundred sixty-one".