140035504121 has 16 divisors (see below), whose sum is σ = 142455913488. Its totient is φ = 137629440000.

The previous prime is 140035504109. The next prime is 140035504153. The reversal of 140035504121 is 121405530041.

140035504121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3701018896 + 136334485225 = 60836^2 + 369235^2 .

It is a cyclic number.

It is not a de Polignac number, because 140035504121 - 2²⁶ = 139968395257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140035504171) by changing a digit.

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, 38082335 + ... + 38086011.

It is an arithmetic number, because the mean of its divisors is an integer number (8903494593).

Almost surely, 2^140035504121 is an apocalyptic number.

It is an amenable number.

140035504121 is a deficient number, since it is larger than the sum of its proper divisors (2420409367).

140035504121 is a wasteful number, since it uses less digits than its factorization.

140035504121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 140035504121 in words is "one hundred forty billion, thirty-five million, five hundred four thousand, one hundred twenty-one".