140040031324201 has 4 divisors (see below), whose sum is σ = 140045486109012. Its totient is φ = 140034576539392.

The previous prime is 140040031324177. The next prime is 140040031324211. The reversal of 140040031324201 is 102423130040041.

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 82777152258025 + 57262879066176 = 9098195^2 + 7567224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140040031324201 is a prime.

It is a super-2 number, since 2×140040031324201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140040031324211) 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, 2727353896 + ... + 2727405241.

It is an arithmetic number, because the mean of its divisors is an integer number (35011371527253).

Almost surely, 2^{140040031324201} is an apocalyptic number.

It is an amenable number.

140040031324201 is a deficient number, since it is larger than the sum of its proper divisors (5454784811).

140040031324201 is an equidigital number, since it uses as much as digits as its factorization.

140040031324201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454784810.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 140040031324201 its reverse (102423130040041), we get a palindrome (242463161364242).

The spelling of 140040031324201 in words is "one hundred forty trillion, forty billion, thirty-one million, three hundred twenty-four thousand, two hundred one".