142611109939 has 2 divisors, whose sum is σ = 142611109940. Its totient is φ = 142611109938.

The previous prime is 142611109933. The next prime is 142611109961. The reversal of 142611109939 is 939901116241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142611109939 is a prime.

It is not a weakly prime, because it can be changed into another prime (142611109933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71305554969 + 71305554970.

It is an arithmetic number, because the mean of its divisors is an integer number (71305554970).

Almost surely, 2^142611109939 is an apocalyptic number.

142611109939 is a deficient number, since it is larger than the sum of its proper divisors (1).

142611109939 is an equidigital number, since it uses as much as digits as its factorization.

142611109939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 46.

The spelling of 142611109939 in words is "one hundred forty-two billion, six hundred eleven million, one hundred nine thousand, nine hundred thirty-nine".