133523628745 has 8 divisors (see below), whose sum is σ = 172553612616. Its totient is φ = 98602064256.

The previous prime is 133523628743. The next prime is 133523628773. The reversal of 133523628745 is 547826325331.

It can be written as a sum of positive squares in 4 ways, for example, as 32391360576 + 101132268169 = 179976^2 + 318013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133523628745 - 2¹ = 133523628743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133523628743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027104772 + ... + 1027104901.

It is an arithmetic number, because the mean of its divisors is an integer number (21569201577).

Almost surely, 2^133523628745 is an apocalyptic number.

It is an amenable number.

133523628745 is a deficient number, since it is larger than the sum of its proper divisors (39029983871).

133523628745 is a wasteful number, since it uses less digits than its factorization.

133523628745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054209691.

The product of its digits is 3628800, while the sum is 49.

The spelling of 133523628745 in words is "one hundred thirty-three billion, five hundred twenty-three million, six hundred twenty-eight thousand, seven hundred forty-five".