140421323234 has 16 divisors (see below), whose sum is σ = 211757068800. Its totient is φ = 69835711440.

The previous prime is 140421323171. The next prime is 140421323291. The reversal of 140421323234 is 432323124041.

It is a junction number, because it is equal to n+sod(n) for n = 140421323197 and 140421323206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6368012 + ... + 6390024.

It is an arithmetic number, because the mean of its divisors is an integer number (13234816800).

Almost surely, 2^140421323234 is an apocalyptic number.

140421323234 is a deficient number, since it is larger than the sum of its proper divisors (71335745566).

140421323234 is a wasteful number, since it uses less digits than its factorization.

140421323234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38905.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 140421323234 its reverse (432323124041), we get a palindrome (572744447275).

The spelling of 140421323234 in words is "one hundred forty billion, four hundred twenty-one million, three hundred twenty-three thousand, two hundred thirty-four".