135448517 has 8 divisors (see below), whose sum is σ = 140014080. Its totient is φ = 130895280.

The previous prime is 135448513. The next prime is 135448519. The reversal of 135448517 is 715844531.

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 135448517 - 2² = 135448513 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 (135448513) 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, 22859 + ... + 28167.

It is an arithmetic number, because the mean of its divisors is an integer number (17501760).

Almost surely, 2^135448517 is an apocalyptic number.

It is an amenable number.

135448517 is a deficient number, since it is larger than the sum of its proper divisors (4565563).

135448517 is an equidigital number, since it uses as much as digits as its factorization.

135448517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163.

The product of its digits is 67200, while the sum is 38.

The square root of 135448517 is about 11638.2351325276. The cubic root of 135448517 is about 513.5602695467.

The spelling of 135448517 in words is "one hundred thirty-five million, four hundred forty-eight thousand, five hundred seventeen".