136591516408 has 8 divisors (see below), whose sum is σ = 256109093280. Its totient is φ = 68295758200.

The previous prime is 136591516387. The next prime is 136591516417. The reversal of 136591516408 is 804615195631.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8536969768 + ... + 8536969783.

It is an arithmetic number, because the mean of its divisors is an integer number (32013636660).

Almost surely, 2^136591516408 is an apocalyptic number.

It is an amenable number.

136591516408 is a deficient number, since it is larger than the sum of its proper divisors (119517576872).

136591516408 is a wasteful number, since it uses less digits than its factorization.

136591516408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17073939557 (or 17073939553 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 136591516408 in words is "one hundred thirty-six billion, five hundred ninety-one million, five hundred sixteen thousand, four hundred eight".