140252043021 has 8 divisors (see below), whose sum is σ = 187208904864. Its totient is φ = 93398271600.

The previous prime is 140252043011. The next prime is 140252043037. The reversal of 140252043021 is 120340252041.

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

It is not a de Polignac number, because 140252043021 - 2¹⁰ = 140252041997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140252042982 and 140252043000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140252043011) 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, 25769430 + ... + 25774871.

It is an arithmetic number, because the mean of its divisors is an integer number (23401113108).

Almost surely, 2^140252043021 is an apocalyptic number.

It is an amenable number.

140252043021 is a deficient number, since it is larger than the sum of its proper divisors (46956861843).

140252043021 is an equidigital number, since it uses as much as digits as its factorization.

140252043021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51545211.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 140252043021 its reverse (120340252041), we get a palindrome (260592295062).

The spelling of 140252043021 in words is "one hundred forty billion, two hundred fifty-two million, forty-three thousand, twenty-one".