140344141121 has 4 divisors (see below), whose sum is σ = 148599678852. Its totient is φ = 132088603392.

The previous prime is 140344141097. The next prime is 140344141159. The reversal of 140344141121 is 121141443041.

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 123172921600 + 17171219521 = 350960^2 + 131039^2 .

It is a cyclic number.

It is not a de Polignac number, because 140344141121 - 2⁶ = 140344141057 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 (140344141181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4127768840 + ... + 4127768873.

It is an arithmetic number, because the mean of its divisors is an integer number (37149919713).

Almost surely, 2^140344141121 is an apocalyptic number.

It is an amenable number.

140344141121 is a deficient number, since it is larger than the sum of its proper divisors (8255537731).

140344141121 is an equidigital number, since it uses as much as digits as its factorization.

140344141121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255537730.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 140344141121 its reverse (121141443041), we get a palindrome (261485584162).

The spelling of 140344141121 in words is "one hundred forty billion, three hundred forty-four million, one hundred forty-one thousand, one hundred twenty-one".