140421340616 has 16 divisors (see below), whose sum is σ = 270405960540. Its totient is φ = 68313084480.

The previous prime is 140421340613. The next prime is 140421340643. The reversal of 140421340616 is 616043124041.

It can be written as a sum of positive squares in 2 ways, for example, as 131254044100 + 9167296516 = 362290^2 + 95746^2 .

It is not an unprimeable number, because it can be changed into a prime (140421340613) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 237197915 + ... + 237198506.

Almost surely, 2^140421340616 is an apocalyptic number.

It is an amenable number.

140421340616 is a deficient number, since it is larger than the sum of its proper divisors (129984619924).

140421340616 is a wasteful number, since it uses less digits than its factorization.

140421340616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474396464 (or 474396460 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 140421340616 its reverse (616043124041), we get a palindrome (756464464657).

The spelling of 140421340616 in words is "one hundred forty billion, four hundred twenty-one million, three hundred forty thousand, six hundred sixteen".