136403277266 has 4 divisors (see below), whose sum is σ = 204604915902. Its totient is φ = 68201638632.

The previous prime is 136403277223. The next prime is 136403277301. The reversal of 136403277266 is 662772304631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 662772304631 = 109 ⋅6080479859.

It can be written as a sum of positive squares in only one way, i.e., 129363228241 + 7040049025 = 359671^2 + 83905^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136403277266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34100819315 + ... + 34100819318.

Almost surely, 2^136403277266 is an apocalyptic number.

136403277266 is a deficient number, since it is larger than the sum of its proper divisors (68201638636).

136403277266 is an equidigital number, since it uses as much as digits as its factorization.

136403277266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68201638635.

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 136403277266 in words is "one hundred thirty-six billion, four hundred three million, two hundred seventy-seven thousand, two hundred sixty-six".