136993403289601 has 4 divisors (see below), whose sum is σ = 137065924944900. Its totient is φ = 136920881634304.

The previous prime is 136993403289581. The next prime is 136993403289629. The reversal of 136993403289601 is 106982304399631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92898291917376 + 44095111372225 = 9638376^2 + 6640415^2 .

It is a cyclic number.

It is not a de Polignac number, because 136993403289601 - 2⁹ = 136993403289089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136993403289661) 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 3 ways as a sum of consecutive naturals, for example, 36260824816 + ... + 36260828593.

It is an arithmetic number, because the mean of its divisors is an integer number (34266481236225).

Almost surely, 2^{136993403289601} is an apocalyptic number.

It is an amenable number.

136993403289601 is a deficient number, since it is larger than the sum of its proper divisors (72521655299).

136993403289601 is an equidigital number, since it uses as much as digits as its factorization.

136993403289601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72521655298.

The product of its (nonzero) digits is 45349632, while the sum is 64.

The spelling of 136993403289601 in words is "one hundred thirty-six trillion, nine hundred ninety-three billion, four hundred three million, two hundred eighty-nine thousand, six hundred one".