140014053221 has 4 divisors (see below), whose sum is σ = 160016060832. Its totient is φ = 120012045612.

The previous prime is 140014053199. The next prime is 140014053241. The reversal of 140014053221 is 122350410041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122350410041 = 67 ⋅1826125523.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140014053221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140014053241) 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, 10001003795 + ... + 10001003808.

It is an arithmetic number, because the mean of its divisors is an integer number (40004015208).

Almost surely, 2^140014053221 is an apocalyptic number.

It is an amenable number.

140014053221 is a deficient number, since it is larger than the sum of its proper divisors (20002007611).

140014053221 is an equidigital number, since it uses as much as digits as its factorization.

140014053221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20002007610.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 140014053221 its reverse (122350410041), we get a palindrome (262364463262).

The spelling of 140014053221 in words is "one hundred forty billion, fourteen million, fifty-three thousand, two hundred twenty-one".