140234224214221 has 32 divisors (see below), whose sum is σ = 148575108584448. Its totient is φ = 132094845358080.

The previous prime is 140234224214213. The next prime is 140234224214317. The reversal of 140234224214221 is 122412422432041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140234224214221 - 2³ = 140234224214213 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 (140234224514221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 772886091 + ... + 773067511.

It is an arithmetic number, because the mean of its divisors is an integer number (4642972143264).

Almost surely, 2^{140234224214221} is an apocalyptic number.

It is an amenable number.

140234224214221 is a deficient number, since it is larger than the sum of its proper divisors (8340884370227).

140234224214221 is a wasteful number, since it uses less digits than its factorization.

140234224214221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183261.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 140234224214221 its reverse (122412422432041), we get a palindrome (262646646646262).

The spelling of 140234224214221 in words is "one hundred forty trillion, two hundred thirty-four billion, two hundred twenty-four million, two hundred fourteen thousand, two hundred twenty-one".