140353235025420 has 96 divisors (see below), whose sum is σ = 395946720288000. Its totient is φ = 37146024647424.

The previous prime is 140353235025413. The next prime is 140353235025457. The reversal of 140353235025420 is 24520532353041.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22557931 + ... + 28099229.

It is an arithmetic number, because the mean of its divisors is an integer number (4124445003000).

Almost surely, 2^{140353235025420} is an apocalyptic number.

140353235025420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140353235025420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197973360144000).

140353235025420 is an abundant number, since it is smaller than the sum of its proper divisors (255593485262580).

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

140353235025420 is a wasteful number, since it uses less digits than its factorization.

140353235025420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544487 (or 5544485 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 140353235025420 its reverse (24520532353041), we get a palindrome (164873767378461).

The spelling of 140353235025420 in words is "one hundred forty trillion, three hundred fifty-three billion, two hundred thirty-five million, twenty-five thousand, four hundred twenty".