140013522221 has 8 divisors (see below), whose sum is σ = 142155156000. Its totient is φ = 137873414448.

The previous prime is 140013522137. The next prime is 140013522251. The reversal of 140013522221 is 122225310041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140013522221 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 (140013522251) 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, 195911 + ... + 564276.

It is an arithmetic number, because the mean of its divisors is an integer number (17769394500).

Almost surely, 2^140013522221 is an apocalyptic number.

It is an amenable number.

140013522221 is a deficient number, since it is larger than the sum of its proper divisors (2141633779).

140013522221 is an equidigital number, since it uses as much as digits as its factorization.

140013522221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763003.

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

Adding to 140013522221 its reverse (122225310041), we get a palindrome (262238832262).

The spelling of 140013522221 in words is "one hundred forty billion, thirteen million, five hundred twenty-two thousand, two hundred twenty-one".