136450664380361 has 4 divisors (see below), whose sum is σ = 144477174049812. Its totient is φ = 128424154710912.

The previous prime is 136450664380321. The next prime is 136450664380397. The reversal of 136450664380361 is 163083466054631.

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 127733644328761 + 8717020051600 = 11301931^2 + 2952460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136450664380361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136450664380297 and 136450664380306.

It is not an unprimeable number, because it can be changed into a prime (136450664380321) 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, 4013254834700 + ... + 4013254834733.

It is an arithmetic number, because the mean of its divisors is an integer number (36119293512453).

Almost surely, 2^{136450664380361} is an apocalyptic number.

It is an amenable number.

136450664380361 is a deficient number, since it is larger than the sum of its proper divisors (8026509669451).

136450664380361 is an equidigital number, since it uses as much as digits as its factorization.

136450664380361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026509669450.

The product of its (nonzero) digits is 22394880, while the sum is 56.

The spelling of 136450664380361 in words is "one hundred thirty-six trillion, four hundred fifty billion, six hundred sixty-four million, three hundred eighty thousand, three hundred sixty-one".