140421012223207 has 4 divisors (see below), whose sum is σ = 146526273624240. Its totient is φ = 134315750822176.

The previous prime is 140421012223169. The next prime is 140421012223321. The reversal of 140421012223207 is 702322210124041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140421012223207 - 2³⁹ = 139871256409319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140421012223007) 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, 3052630700482 + ... + 3052630700527.

It is an arithmetic number, because the mean of its divisors is an integer number (36631568406060).

Almost surely, 2^{140421012223207} is an apocalyptic number.

140421012223207 is a deficient number, since it is larger than the sum of its proper divisors (6105261401033).

140421012223207 is an equidigital number, since it uses as much as digits as its factorization.

140421012223207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105261401032.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 140421012223207 its reverse (702322210124041), we get a palindrome (842743222347248).

The spelling of 140421012223207 in words is "one hundred forty trillion, four hundred twenty-one billion, twelve million, two hundred twenty-three thousand, two hundred seven".