421320140141302 has 4 divisors (see below), whose sum is σ = 631980210211956. Its totient is φ = 210660070070650.

The previous prime is 421320140141291. The next prime is 421320140141333. The reversal of 421320140141302 is 203141041023124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105330035035324 + ... + 105330035035327.

It is an arithmetic number, because the mean of its divisors is an integer number (157995052552989).

Almost surely, 2^{421320140141302} is an apocalyptic number.

421320140141302 is a deficient number, since it is larger than the sum of its proper divisors (210660070070654).

421320140141302 is a wasteful number, since it uses less digits than its factorization.

421320140141302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210660070070653.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 421320140141302 its reverse (203141041023124), we get a palindrome (624461181164426).

The spelling of 421320140141302 in words is "four hundred twenty-one trillion, three hundred twenty billion, one hundred forty million, one hundred forty-one thousand, three hundred two".