140412040321 has 32 divisors (see below), whose sum is σ = 164500116480. Its totient is φ = 117374400000.

The previous prime is 140412040309. The next prime is 140412040331. The reversal of 140412040321 is 123040214041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140412040321 - 2⁵ = 140412040289 is a prime.

It is a super-2 number, since 2×140412040321² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140412040292 and 140412040301.

It is not an unprimeable number, because it can be changed into a prime (140412040331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25522071 + ... + 25527571.

It is an arithmetic number, because the mean of its divisors is an integer number (5140628640).

Almost surely, 2^140412040321 is an apocalyptic number.

It is an amenable number.

140412040321 is a deficient number, since it is larger than the sum of its proper divisors (24088076159).

140412040321 is a wasteful number, since it uses less digits than its factorization.

140412040321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 140412040321 its reverse (123040214041), we get a palindrome (263452254362).

It can be divided in two parts, 1404120 and 40321, that added together give a palindrome (1444441).

The spelling of 140412040321 in words is "one hundred forty billion, four hundred twelve million, forty thousand, three hundred twenty-one".