136628027091 has 24 divisors (see below), whose sum is σ = 204323418000. Its totient is φ = 87872713152.

The previous prime is 136628027083. The next prime is 136628027093. The reversal of 136628027091 is 190720826631.

136628027091 is a `hidden beast` number, since 1 + 366 + 280 + 2 + 7 + 0 + 9 + 1 = 666.

It is not a de Polignac number, because 136628027091 - 2³ = 136628027083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136628027093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107800 + ... + 533738.

It is an arithmetic number, because the mean of its divisors is an integer number (8513475750).

Almost surely, 2^136628027091 is an apocalyptic number.

136628027091 is a deficient number, since it is larger than the sum of its proper divisors (67695390909).

136628027091 is a wasteful number, since it uses less digits than its factorization.

136628027091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427203 (or 427200 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 136628027091 in words is "one hundred thirty-six billion, six hundred twenty-eight million, twenty-seven thousand, ninety-one".