180735752147 has 4 divisors (see below), whose sum is σ = 183799070040. Its totient is φ = 177672434256.

The previous prime is 180735752069. The next prime is 180735752159. The reversal of 180735752147 is 741257537081.

180735752147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741257537081 = 218081 ⋅3399001.

It is a cyclic number.

It is not a de Polignac number, because 180735752147 - 2¹⁰ = 180735751123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 180735752095 and 180735752104.

It is not an unprimeable number, because it can be changed into a prime (180735752177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531658858 + ... + 1531658975.

It is an arithmetic number, because the mean of its divisors is an integer number (45949767510).

Almost surely, 2^180735752147 is an apocalyptic number.

180735752147 is a deficient number, since it is larger than the sum of its proper divisors (3063317893).

180735752147 is an equidigital number, since it uses as much as digits as its factorization.

180735752147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063317892.

The product of its (nonzero) digits is 1646400, while the sum is 50.

The spelling of 180735752147 in words is "one hundred eighty billion, seven hundred thirty-five million, seven hundred fifty-two thousand, one hundred forty-seven".