136927822369 has 6 divisors (see below), whose sum is σ = 148270955766. Its totient is φ = 126394912800.

The previous prime is 136927822351. The next prime is 136927822397. The reversal of 136927822369 is 963228729631.

It can be written as a sum of positive squares in 3 ways, for example, as 5865721744 + 131062100625 = 76588^2 + 362025^2 .

It is a de Polignac number, because none of the positive numbers 2^k-136927822369 is a prime.

It is a super-2 number, since 2×136927822369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136927822319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 405111732 + ... + 405112069.

It is an arithmetic number, because the mean of its divisors is an integer number (24711825961).

Almost surely, 2^136927822369 is an apocalyptic number.

It is an amenable number.

136927822369 is a deficient number, since it is larger than the sum of its proper divisors (11343133397).

136927822369 is an equidigital number, since it uses as much as digits as its factorization.

136927822369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810223827 (or 810223814 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 58.

The spelling of 136927822369 in words is "one hundred thirty-six billion, nine hundred twenty-seven million, eight hundred twenty-two thousand, three hundred sixty-nine".