135732617 has 8 divisors (see below), whose sum is σ = 137975040. Its totient is φ = 133499520.

The previous prime is 135732589. The next prime is 135732661. The reversal of 135732617 is 716237531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135732617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135732677) 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, 30809 + ... + 34937.

It is an arithmetic number, because the mean of its divisors is an integer number (17246880).

Almost surely, 2^135732617 is an apocalyptic number.

It is an amenable number.

135732617 is a deficient number, since it is larger than the sum of its proper divisors (2242423).

135732617 is an equidigital number, since it uses as much as digits as its factorization.

135732617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663.

The product of its digits is 26460, while the sum is 35.

The square root of 135732617 is about 11650.4341979173. The cubic root of 135732617 is about 513.9190788949.

The spelling of 135732617 in words is "one hundred thirty-five million, seven hundred thirty-two thousand, six hundred seventeen".