140043020204021 has 8 divisors (see below), whose sum is σ = 153447217975584. Its totient is φ = 126750991451920.

The previous prime is 140043020203987. The next prime is 140043020204023. The reversal of 140043020204021 is 120402020340041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140043020204021 - 2¹⁰ = 140043020202997 is a prime.

It is a super-2 number, since 2×140043020204021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140043020204023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28042252250 + ... + 28042257243.

It is an arithmetic number, because the mean of its divisors is an integer number (19180902246948).

Almost surely, 2^{140043020204021} is an apocalyptic number.

140043020204021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140043020204021 is a deficient number, since it is larger than the sum of its proper divisors (13404197771563).

140043020204021 is a wasteful number, since it uses less digits than its factorization.

140043020204021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56084509731.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 140043020204021 its reverse (120402020340041), we get a palindrome (260445040544062).

The spelling of 140043020204021 in words is "one hundred forty trillion, forty-three billion, twenty million, two hundred four thousand, twenty-one".