142240121135579 has 2 divisors, whose sum is σ = 142240121135580. Its totient is φ = 142240121135578.

The previous prime is 142240121135491. The next prime is 142240121135587. The reversal of 142240121135579 is 975531121042241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142240121135579 - 2³² = 142235826168283 is a prime.

It is not a weakly prime, because it can be changed into another prime (142240121131579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71120060567789 + 71120060567790.

It is an arithmetic number, because the mean of its divisors is an integer number (71120060567790).

Almost surely, 2^{142240121135579} is an apocalyptic number.

142240121135579 is a deficient number, since it is larger than the sum of its proper divisors (1).

142240121135579 is an equidigital number, since it uses as much as digits as its factorization.

142240121135579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 142240121135579 in words is "one hundred forty-two trillion, two hundred forty billion, one hundred twenty-one million, one hundred thirty-five thousand, five hundred seventy-nine".