135147017 has 4 divisors (see below), whose sum is σ = 136998420. Its totient is φ = 133295616.

The previous prime is 135147007. The next prime is 135147031. The reversal of 135147017 is 710741531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 710741531 = 19 ⋅37407449.

It can be written as a sum of positive squares in 2 ways, for example, as 104632441 + 30514576 = 10229^2 + 5524^2 .

It is a cyclic number.

It is not a de Polignac number, because 135147017 - 2¹⁶ = 135081481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135147007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925592 + ... + 925737.

It is an arithmetic number, because the mean of its divisors is an integer number (34249605).

Almost surely, 2^135147017 is an apocalyptic number.

It is an amenable number.

135147017 is a deficient number, since it is larger than the sum of its proper divisors (1851403).

135147017 is an equidigital number, since it uses as much as digits as its factorization.

135147017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851402.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 135147017 is about 11625.2749214804. The cubic root of 135147017 is about 513.1789353594.

Adding to 135147017 its reverse (710741531), we get a palindrome (845888548).

The spelling of 135147017 in words is "one hundred thirty-five million, one hundred forty-seven thousand, seventeen".