142121340241 has 16 divisors (see below), whose sum is σ = 152921548800. Its totient is φ = 131658289488.

The previous prime is 142121340233. The next prime is 142121340271. The reversal of 142121340241 is 142043121241.

It is a cyclic number.

It is not a de Polignac number, because 142121340241 - 2³ = 142121340233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142121340271) 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, 931980 + ... + 1073698.

It is an arithmetic number, because the mean of its divisors is an integer number (9557596800).

Almost surely, 2^142121340241 is an apocalyptic number.

It is an amenable number.

142121340241 is a deficient number, since it is larger than the sum of its proper divisors (10800208559).

142121340241 is a wasteful number, since it uses less digits than its factorization.

142121340241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142908.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 142121340241 its reverse (142043121241), we get a palindrome (284164461482).

The spelling of 142121340241 in words is "one hundred forty-two billion, one hundred twenty-one million, three hundred forty thousand, two hundred forty-one".