133797517 has 8 divisors (see below), whose sum is σ = 153132800. Its totient is φ = 114517584.

The previous prime is 133797511. The next prime is 133797529. The reversal of 133797517 is 715797331.

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 133797517 - 2¹¹ = 133795469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133797511) 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, 8517 + ... + 18442.

It is an arithmetic number, because the mean of its divisors is an integer number (19141600).

Almost surely, 2^133797517 is an apocalyptic number.

It is an amenable number.

133797517 is a deficient number, since it is larger than the sum of its proper divisors (19335283).

133797517 is an equidigital number, since it uses as much as digits as its factorization.

133797517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27675.

The product of its digits is 138915, while the sum is 43.

The square root of 133797517 is about 11567.0876628476. The cubic root of 133797517 is about 511.4651154851.

The spelling of 133797517 in words is "one hundred thirty-three million, seven hundred ninety-seven thousand, five hundred seventeen".