140220430141421 has 8 divisors (see below), whose sum is σ = 163978709002944. Its totient is φ = 117393848490240.

The previous prime is 140220430141391. The next prime is 140220430141427. The reversal of 140220430141421 is 124141034022041.

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

It is not a de Polignac number, because 140220430141421 - 2³⁰ = 140219356399597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140220430141427) 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, 232924302260 + ... + 232924302861.

It is an arithmetic number, because the mean of its divisors is an integer number (20497338625368).

Almost surely, 2^{140220430141421} is an apocalyptic number.

It is an amenable number.

140220430141421 is a deficient number, since it is larger than the sum of its proper divisors (23758278861523).

140220430141421 is an equidigital number, since it uses as much as digits as its factorization.

140220430141421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465848605171.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 140220430141421 its reverse (124141034022041), we get a palindrome (264361464163462).

The spelling of 140220430141421 in words is "one hundred forty trillion, two hundred twenty billion, four hundred thirty million, one hundred forty-one thousand, four hundred twenty-one".