140440404130321 has 8 divisors (see below), whose sum is σ = 140612430276864. Its totient is φ = 140268443839920.

The previous prime is 140440404130249. The next prime is 140440404130333. The reversal of 140440404130321 is 123031404044041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140440404130321 - 2²³ = 140440395741713 is a prime.

It is a super-2 number, since 2×140440404130321² (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 (140440404140321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12195681 + ... + 20727166.

It is an arithmetic number, because the mean of its divisors is an integer number (17576553784608).

Almost surely, 2^{140440404130321} is an apocalyptic number.

It is an amenable number.

140440404130321 is a deficient number, since it is larger than the sum of its proper divisors (172026146543).

140440404130321 is a wasteful number, since it uses less digits than its factorization.

140440404130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32928071.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 140440404130321 its reverse (123031404044041), we get a palindrome (263471808174362).

The spelling of 140440404130321 in words is "one hundred forty trillion, four hundred forty billion, four hundred four million, one hundred thirty thousand, three hundred twenty-one".