140421403544 has 32 divisors (see below), whose sum is σ = 266760533520. Its totient is φ = 69290597376.

The previous prime is 140421403519. The next prime is 140421403579. The reversal of 140421403544 is 445304124041.

It is a self number, because there is not a number n which added to its sum of digits gives 140421403544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122702 + ... + 543965.

Almost surely, 2^140421403544 is an apocalyptic number.

It is an amenable number.

140421403544 is a deficient number, since it is larger than the sum of its proper divisors (126339129976).

140421403544 is a wasteful number, since it uses less digits than its factorization.

140421403544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667019 (or 667015 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 140421403544 its reverse (445304124041), we get a palindrome (585725527585).

The spelling of 140421403544 in words is "one hundred forty billion, four hundred twenty-one million, four hundred three thousand, five hundred forty-four".