136108165449601 has 4 divisors (see below), whose sum is σ = 137312662489092. Its totient is φ = 134903668410112.

The previous prime is 136108165449559. The next prime is 136108165449643. The reversal of 136108165449601 is 106944561801631.

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

It is an interprime number because it is at equal distance from previous prime (136108165449559) and next prime (136108165449643).

It can be written as a sum of positive squares in 2 ways, for example, as 4429442181376 + 131678723268225 = 2104624^2 + 11475135^2 .

It is a cyclic number.

It is not a de Polignac number, because 136108165449601 - 2¹⁷ = 136108165318529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136108165449661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602248519576 + ... + 602248519801.

It is an arithmetic number, because the mean of its divisors is an integer number (34328165622273).

Almost surely, 2^{136108165449601} is an apocalyptic number.

It is an amenable number.

136108165449601 is a deficient number, since it is larger than the sum of its proper divisors (1204497039491).

136108165449601 is a wasteful number, since it uses less digits than its factorization.

136108165449601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204497039490.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 136108165449601 in words is "one hundred thirty-six trillion, one hundred eight billion, one hundred sixty-five million, four hundred forty-nine thousand, six hundred one".