140333142242 has 4 divisors (see below), whose sum is σ = 210499713366. Its totient is φ = 70166571120.

The previous prime is 140333142227. The next prime is 140333142251. The reversal of 140333142242 is 242241333041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242241333041 = 404309 ⋅599149.

It can be written as a sum of positive squares in only one way, i.e., 108801682201 + 31531460041 = 329851^2 + 177571^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35083285559 + ... + 35083285562.

Almost surely, 2^140333142242 is an apocalyptic number.

140333142242 is a deficient number, since it is larger than the sum of its proper divisors (70166571124).

140333142242 is an equidigital number, since it uses as much as digits as its factorization.

140333142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70166571123.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 140333142242 its reverse (242241333041), we get a palindrome (382574475283).

The spelling of 140333142242 in words is "one hundred forty billion, three hundred thirty-three million, one hundred forty-two thousand, two hundred forty-two".