140130312321 has 16 divisors (see below), whose sum is σ = 190707597504. Its totient is φ = 91492949184.

The previous prime is 140130312319. The next prime is 140130312337. The reversal of 140130312321 is 123213031041.

It is not a de Polignac number, because 140130312321 - 2¹ = 140130312319 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140130312391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702571 + ... + 879696.

It is an arithmetic number, because the mean of its divisors is an integer number (11919224844).

Almost surely, 2^140130312321 is an apocalyptic number.

It is an amenable number.

140130312321 is a deficient number, since it is larger than the sum of its proper divisors (50577285183).

140130312321 is a wasteful number, since it uses less digits than its factorization.

140130312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582880.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 140130312321 its reverse (123213031041), we get a palindrome (263343343362).

The spelling of 140130312321 in words is "one hundred forty billion, one hundred thirty million, three hundred twelve thousand, three hundred twenty-one".