136680741 has 12 divisors (see below), whose sum is σ = 204235980. Its totient is φ = 87978240.

The previous prime is 136680721. The next prime is 136680749. The reversal of 136680741 is 147086631.

It can be written as a sum of positive squares in 2 ways, for example, as 102212100 + 34468641 = 10110^2 + 5871^2 .

It is not a de Polignac number, because 136680741 - 2⁷ = 136680613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136680696 and 136680705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136680749) 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 11 ways as a sum of consecutive naturals, for example, 261580 + ... + 262101.

It is an arithmetic number, because the mean of its divisors is an integer number (17019665).

Almost surely, 2^136680741 is an apocalyptic number.

It is an amenable number.

136680741 is a deficient number, since it is larger than the sum of its proper divisors (67555239).

136680741 is a wasteful number, since it uses less digits than its factorization.

136680741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523716 (or 523713 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 136680741 is about 11691.0538874817. The cubic root of 136680741 is about 515.1129183385.

The spelling of 136680741 in words is "one hundred thirty-six million, six hundred eighty thousand, seven hundred forty-one".