140243312402242 has 8 divisors (see below), whose sum is σ = 240417106975296. Its totient is φ = 60104276743812.

The previous prime is 140243312402233. The next prime is 140243312402273. The reversal of 140243312402242 is 242204213342041.

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

It is a junction number, because it is equal to n+sod(n) for n = 140243312402198 and 140243312402207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5008689728638 + ... + 5008689728665.

It is an arithmetic number, because the mean of its divisors is an integer number (30052138371912).

Almost surely, 2^{140243312402242} is an apocalyptic number.

140243312402242 is a deficient number, since it is larger than the sum of its proper divisors (100173794573054).

140243312402242 is a wasteful number, since it uses less digits than its factorization.

140243312402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017379457312.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 140243312402242 its reverse (242204213342041), we get a palindrome (382447525744283).

The spelling of 140243312402242 in words is "one hundred forty trillion, two hundred forty-three billion, three hundred twelve million, four hundred two thousand, two hundred forty-two".