135515017 has 8 divisors (see below), whose sum is σ = 147949920. Its totient is φ = 123099360.

The previous prime is 135514991. The next prime is 135515047. The reversal of 135515017 is 710515531.

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 135515017 - 2²³ = 127126409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135515047) 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, 12709 + ... + 20797.

It is an arithmetic number, because the mean of its divisors is an integer number (18493740).

Almost surely, 2^135515017 is an apocalyptic number.

It is an amenable number.

135515017 is a deficient number, since it is larger than the sum of its proper divisors (12434903).

135515017 is a wasteful number, since it uses less digits than its factorization.

135515017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623.

The product of its (nonzero) digits is 2625, while the sum is 28.

The square root of 135515017 is about 11641.0917443339. The cubic root of 135515017 is about 513.6443018938.

The spelling of 135515017 in words is "one hundred thirty-five million, five hundred fifteen thousand, seventeen".