140421012223206 has 32 divisors (see below), whose sum is σ = 329940280470528. Its totient is φ = 39278604817440.

The previous prime is 140421012223169. The next prime is 140421012223321. The reversal of 140421012223206 is 602322210124041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81830425846 + ... + 81830427561.

It is an arithmetic number, because the mean of its divisors is an integer number (10310633764704).

Almost surely, 2^{140421012223206} is an apocalyptic number.

140421012223206 is an abundant number, since it is smaller than the sum of its proper divisors (189519268247322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140421012223206 is a wasteful number, since it uses less digits than its factorization.

140421012223206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163660853436.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 140421012223206 its reverse (602322210124041), we get a palindrome (742743222347247).

The spelling of 140421012223206 in words is "one hundred forty trillion, four hundred twenty-one billion, twelve million, two hundred twenty-three thousand, two hundred six".