140021445320601 has 16 divisors (see below), whose sum is σ = 203008438528896. Its totient is φ = 85330470036096.

The previous prime is 140021445320593. The next prime is 140021445320641. The reversal of 140021445320601 is 106023544120041.

It is a happy number.

It is not a de Polignac number, because 140021445320601 - 2³ = 140021445320593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140021445320641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17428605060 + ... + 17428613093.

It is an arithmetic number, because the mean of its divisors is an integer number (12688027408056).

Almost surely, 2^{140021445320601} is an apocalyptic number.

It is an amenable number.

140021445320601 is a deficient number, since it is larger than the sum of its proper divisors (62986993208295).

140021445320601 is a wasteful number, since it uses less digits than its factorization.

140021445320601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34857218272.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 140021445320601 its reverse (106023544120041), we get a palindrome (246044989440642).

The spelling of 140021445320601 in words is "one hundred forty trillion, twenty-one billion, four hundred forty-five million, three hundred twenty thousand, six hundred one".