140424303223421 has 8 divisors (see below), whose sum is σ = 163115818264704. Its totient is φ = 118390513255920.

The previous prime is 140424303223331. The next prime is 140424303223441. The reversal of 140424303223421 is 124322303424041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 140424303223421 - 2²² = 140424299029117 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 (140424303223441) 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, 164431267985 + ... + 164431268838.

It is an arithmetic number, because the mean of its divisors is an integer number (20389477283088).

Almost surely, 2^{140424303223421} is an apocalyptic number.

It is an amenable number.

140424303223421 is a deficient number, since it is larger than the sum of its proper divisors (22691515041283).

140424303223421 is an equidigital number, since it uses as much as digits as its factorization.

140424303223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328862536891.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 140424303223421 its reverse (124322303424041), we get a palindrome (264746606647462).

The spelling of 140424303223421 in words is "one hundred forty trillion, four hundred twenty-four billion, three hundred three million, two hundred twenty-three thousand, four hundred twenty-one".