140321434303420 has 48 divisors (see below), whose sum is σ = 300236642133120. Its totient is φ = 55069227772416.

The previous prime is 140321434303363. The next prime is 140321434303493. The reversal of 140321434303420 is 24303434123041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286032301 + ... + 286522459.

It is an arithmetic number, because the mean of its divisors is an integer number (6254930044440).

Almost surely, 2^{140321434303420} is an apocalyptic number.

140321434303420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140321434303420 is an abundant number, since it is smaller than the sum of its proper divisors (159915207829700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140321434303420 is a wasteful number, since it uses less digits than its factorization.

140321434303420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760294 (or 760292 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 140321434303420 its reverse (24303434123041), we get a palindrome (164624868426461).

The spelling of 140321434303420 in words is "one hundred forty trillion, three hundred twenty-one billion, four hundred thirty-four million, three hundred three thousand, four hundred twenty".