140353250420 has 48 divisors (see below), whose sum is σ = 310633142400. Its totient is φ = 53121594240.

The previous prime is 140353250407. The next prime is 140353250423. The reversal of 140353250420 is 24052353041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140353250423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87041 + ... + 536919.

It is an arithmetic number, because the mean of its divisors is an integer number (6471523800).

Almost surely, 2^140353250420 is an apocalyptic number.

140353250420 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 140353250420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155316571200).

140353250420 is an abundant number, since it is smaller than the sum of its proper divisors (170279891980).

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

140353250420 is a wasteful number, since it uses less digits than its factorization.

140353250420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450728 (or 450726 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 140353250420 in words is "one hundred forty billion, three hundred fifty-three million, two hundred fifty thousand, four hundred twenty".