136756517 has 16 divisors (see below), whose sum is σ = 147329280. Its totient is φ = 126486528.

The previous prime is 136756507. The next prime is 136756561. The reversal of 136756517 is 715657631.

It is not a de Polignac number, because 136756517 - 2¹⁸ = 136494373 is a prime.

It is a Duffinian number.

Its product of digits (132300) is a multiple of the sum of its prime divisors (700).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136756507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393938 + ... + 394284.

It is an arithmetic number, because the mean of its divisors is an integer number (9208080).

Almost surely, 2^136756517 is an apocalyptic number.

136756517 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

136756517 is a deficient number, since it is larger than the sum of its proper divisors (10572763).

136756517 is a wasteful number, since it uses less digits than its factorization.

136756517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700.

The product of its digits is 132300, while the sum is 41.

The square root of 136756517 is about 11694.2942070054. The cubic root of 136756517 is about 515.2080938672.

The spelling of 136756517 in words is "one hundred thirty-six million, seven hundred fifty-six thousand, five hundred seventeen".