133520627017 has 4 divisors (see below), whose sum is σ = 133916830996. Its totient is φ = 133124423040.

The previous prime is 133520626991. The next prime is 133520627033. The reversal of 133520627017 is 710726025331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11503849536 + 122016777481 = 107256^2 + 349309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133520627017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133520627077) 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, 198101484 + ... + 198102157.

It is an arithmetic number, because the mean of its divisors is an integer number (33479207749).

Almost surely, 2^133520627017 is an apocalyptic number.

It is an amenable number.

133520627017 is a deficient number, since it is larger than the sum of its proper divisors (396203979).

133520627017 is an equidigital number, since it uses as much as digits as its factorization.

133520627017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396203978.

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 133520627017 in words is "one hundred thirty-three billion, five hundred twenty million, six hundred twenty-seven thousand, seventeen".