140013004203221 has 4 divisors (see below), whose sum is σ = 140298163071744. Its totient is φ = 139727845334700.

The previous prime is 140013004203181. The next prime is 140013004203223. The reversal of 140013004203221 is 122302400310041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140013004203221 - 2³⁸ = 139738126296277 is a prime.

It is a super-2 number, since 2×140013004203221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140013004203223) 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, 142579433525 + ... + 142579434506.

It is an arithmetic number, because the mean of its divisors is an integer number (35074540767936).

Almost surely, 2^{140013004203221} is an apocalyptic number.

It is an amenable number.

140013004203221 is a deficient number, since it is larger than the sum of its proper divisors (285158868523).

140013004203221 is an equidigital number, since it uses as much as digits as its factorization.

140013004203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285158868522.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 140013004203221 its reverse (122302400310041), we get a palindrome (262315404513262).

The spelling of 140013004203221 in words is "one hundred forty trillion, thirteen billion, four million, two hundred three thousand, two hundred twenty-one".