136880181752 has 8 divisors (see below), whose sum is σ = 256650340800. Its totient is φ = 68440090872.

The previous prime is 136880181731. The next prime is 136880181793. The reversal of 136880181752 is 257181088631.

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

It is a self number, because there is not a number n which added to its sum of digits gives 136880181752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8555011352 + ... + 8555011367.

It is an arithmetic number, because the mean of its divisors is an integer number (32081292600).

Almost surely, 2^136880181752 is an apocalyptic number.

It is an amenable number.

136880181752 is a deficient number, since it is larger than the sum of its proper divisors (119770159048).

136880181752 is a wasteful number, since it uses less digits than its factorization.

136880181752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17110022725 (or 17110022721 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 50.

The spelling of 136880181752 in words is "one hundred thirty-six billion, eight hundred eighty million, one hundred eighty-one thousand, seven hundred fifty-two".