140420212410243 has 8 divisors (see below), whose sum is σ = 187228191474000. Its totient is φ = 93612854143328.

The previous prime is 140420212410229. The next prime is 140420212410277. The reversal of 140420212410243 is 342014212024041.

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

It is a cyclic number.

It is not a de Polignac number, because 140420212410243 - 2⁵ = 140420212410211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140420212410243.

It is not an unprimeable number, because it can be changed into a prime (140420212410943) 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, 154671168 + ... + 155576381.

It is an arithmetic number, because the mean of its divisors is an integer number (23403523934250).

Almost surely, 2^{140420212410243} is an apocalyptic number.

140420212410243 is a deficient number, since it is larger than the sum of its proper divisors (46807979063757).

140420212410243 is a wasteful number, since it uses less digits than its factorization.

140420212410243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310398421.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 140420212410243 its reverse (342014212024041), we get a palindrome (482434424434284).

The spelling of 140420212410243 in words is "one hundred forty trillion, four hundred twenty billion, two hundred twelve million, four hundred ten thousand, two hundred forty-three".