136507335289 has 4 divisors (see below), whose sum is σ = 147007899556. Its totient is φ = 126006771024.

The previous prime is 136507335269. The next prime is 136507335311. The reversal of 136507335289 is 982533705631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 982533705631 = 50417 ⋅19488143.

It can be written as a sum of positive squares in 2 ways, for example, as 40030005625 + 96477329664 = 200075^2 + 310608^2 .

It is a cyclic number.

It is not a de Polignac number, because 136507335289 - 2⁷ = 136507335161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136507335269) 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, 5250282114 + ... + 5250282139.

It is an arithmetic number, because the mean of its divisors is an integer number (36751974889).

Almost surely, 2^136507335289 is an apocalyptic number.

It is an amenable number.

136507335289 is a deficient number, since it is larger than the sum of its proper divisors (10500564267).

136507335289 is a wasteful number, since it uses less digits than its factorization.

136507335289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500564266.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 136507335289 in words is "one hundred thirty-six billion, five hundred seven million, three hundred thirty-five thousand, two hundred eighty-nine".