136874709 has 6 divisors (see below), whose sum is σ = 197707926. Its totient is φ = 91249800.

The previous prime is 136874671. The next prime is 136874711. The reversal of 136874709 is 907478631.

It can be written as a sum of positive squares in only one way, i.e., 131744484 + 5130225 = 11478^2 + 2265^2 .

It is not a de Polignac number, because 136874709 - 2¹³ = 136866517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136874009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7604142 + ... + 7604159.

It is an arithmetic number, because the mean of its divisors is an integer number (32951321).

Almost surely, 2^136874709 is an apocalyptic number.

It is an amenable number.

136874709 is a deficient number, since it is larger than the sum of its proper divisors (60833217).

136874709 is a wasteful number, since it uses less digits than its factorization.

136874709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15208307 (or 15208304 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 136874709 is about 11699.3465202121. The cubic root of 136874709 is about 515.3564742207.

The spelling of 136874709 in words is "one hundred thirty-six million, eight hundred seventy-four thousand, seven hundred nine".