140430021320021 has 48 divisors (see below), whose sum is σ = 154650047974656. Its totient is φ = 127405462339584.

The previous prime is 140430021320003. The next prime is 140430021320023. The reversal of 140430021320021 is 120023120034041.

It is not a de Polignac number, because 140430021320021 - 2⁶ = 140430021319957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140430021320023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8824853561 + ... + 8824869473.

It is an arithmetic number, because the mean of its divisors is an integer number (3221875999472).

Almost surely, 2^{140430021320021} is an apocalyptic number.

It is an amenable number.

140430021320021 is a deficient number, since it is larger than the sum of its proper divisors (14220026654635).

140430021320021 is a wasteful number, since it uses less digits than its factorization.

140430021320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25758 (or 25741 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 140430021320021 its reverse (120023120034041), we get a palindrome (260453141354062).

The spelling of 140430021320021 in words is "one hundred forty trillion, four hundred thirty billion, twenty-one million, three hundred twenty thousand, twenty-one".