136660724347 has 16 divisors (see below), whose sum is σ = 158123130880. Its totient is φ = 115689282912.

The previous prime is 136660724327. The next prime is 136660724351. The reversal of 136660724347 is 743427066631.

It is a de Polignac number, because none of the positive numbers 2^k-136660724347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136660724347.

It is not an unprimeable number, because it can be changed into a prime (136660724327) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 14854 + ... + 523012.

It is an arithmetic number, because the mean of its divisors is an integer number (9882695680).

Almost surely, 2^136660724347 is an apocalyptic number.

136660724347 is a deficient number, since it is larger than the sum of its proper divisors (21462406533).

136660724347 is a wasteful number, since it uses less digits than its factorization.

136660724347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508642.

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 136660724347 in words is "one hundred thirty-six billion, six hundred sixty million, seven hundred twenty-four thousand, three hundred forty-seven".