136081513 has 8 divisors (see below), whose sum is σ = 137247488. Its totient is φ = 134920944.

The previous prime is 136081507. The next prime is 136081531. The reversal of 136081513 is 315180631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136081513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136081013) 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 7 ways as a sum of consecutive naturals, for example, 60670 + ... + 62872.

It is an arithmetic number, because the mean of its divisors is an integer number (17155936).

Almost surely, 2^136081513 is an apocalyptic number.

It is an amenable number.

136081513 is a deficient number, since it is larger than the sum of its proper divisors (1165975).

136081513 is a wasteful number, since it uses less digits than its factorization.

136081513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 136081513 is about 11665.3981072229. The cubic root of 136081513 is about 514.3590392181.

The spelling of 136081513 in words is "one hundred thirty-six million, eighty-one thousand, five hundred thirteen".