133536498817 has 8 divisors (see below), whose sum is σ = 134039884680. Its totient is φ = 133033313280.

The previous prime is 133536498787. The next prime is 133536498929. The reversal of 133536498817 is 718894635331.

It can be written as a sum of positive squares in 4 ways, for example, as 75559564161 + 57976934656 = 274881^2 + 240784^2 .

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 133536498817 - 2³¹ = 131389015169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133536498317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360093 + ... + 1454965.

It is an arithmetic number, because the mean of its divisors is an integer number (16754985585).

Almost surely, 2^133536498817 is an apocalyptic number.

It is an amenable number.

133536498817 is a deficient number, since it is larger than the sum of its proper divisors (503385863).

133536498817 is an equidigital number, since it uses as much as digits as its factorization.

133536498817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100163.

The product of its digits is 13063680, while the sum is 58.

The spelling of 133536498817 in words is "one hundred thirty-three billion, five hundred thirty-six million, four hundred ninety-eight thousand, eight hundred seventeen".