136042781701 has 2 divisors, whose sum is σ = 136042781702. Its totient is φ = 136042781700.

The previous prime is 136042781689. The next prime is 136042781801. The reversal of 136042781701 is 107187240631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134578188801 + 1464592900 = 366849^2 + 38270^2 .

It is an emirp because it is prime and its reverse (107187240631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136042781701 - 2¹⁹ = 136042257413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136042781801) 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 as a sum of consecutive naturals, namely, 68021390850 + 68021390851.

It is an arithmetic number, because the mean of its divisors is an integer number (68021390851).

Almost surely, 2^136042781701 is an apocalyptic number.

It is an amenable number.

136042781701 is a deficient number, since it is larger than the sum of its proper divisors (1).

136042781701 is an equidigital number, since it uses as much as digits as its factorization.

136042781701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 136042781701 in words is "one hundred thirty-six billion, forty-two million, seven hundred eighty-one thousand, seven hundred one".