142635135739 has 2 divisors, whose sum is σ = 142635135740. Its totient is φ = 142635135738.

The previous prime is 142635135719. The next prime is 142635135779. The reversal of 142635135739 is 937531536241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142635135739 - 2¹¹ = 142635133691 is a prime.

It is a super-2 number, since 2×142635135739² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142635135692 and 142635135701.

It is not a weakly prime, because it can be changed into another prime (142635135719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71317567869 + 71317567870.

It is an arithmetic number, because the mean of its divisors is an integer number (71317567870).

Almost surely, 2^142635135739 is an apocalyptic number.

142635135739 is a deficient number, since it is larger than the sum of its proper divisors (1).

142635135739 is an equidigital number, since it uses as much as digits as its factorization.

142635135739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 49.

The spelling of 142635135739 in words is "one hundred forty-two billion, six hundred thirty-five million, one hundred thirty-five thousand, seven hundred thirty-nine".