140421510344 has 16 divisors (see below), whose sum is σ = 263297569920. Its totient is φ = 70208825040.

The previous prime is 140421510301. The next prime is 140421510347. The reversal of 140421510344 is 443015124041.

It is not an unprimeable number, because it can be changed into a prime (140421510347) 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, 95597 + ... + 538499.

It is an arithmetic number, because the mean of its divisors is an integer number (16456098120).

Almost surely, 2^140421510344 is an apocalyptic number.

It is an amenable number.

140421510344 is a deficient number, since it is larger than the sum of its proper divisors (122876059576).

140421510344 is a wasteful number, since it uses less digits than its factorization.

140421510344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482540 (or 482536 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 140421510344 its reverse (443015124041), we get a palindrome (583436634385).

The spelling of 140421510344 in words is "one hundred forty billion, four hundred twenty-one million, five hundred ten thousand, three hundred forty-four".