135023283217 has 8 divisors (see below), whose sum is σ = 135494558280. Its totient is φ = 134552678400.

The previous prime is 135023283163. The next prime is 135023283233. The reversal of 135023283217 is 712382320531.

It can be written as a sum of positive squares in 4 ways, for example, as 93196488961 + 41826794256 = 305281^2 + 204516^2 .

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 135023283217 - 2³¹ = 132875799569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135023283277) 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, 237753 + ... + 571465.

It is an arithmetic number, because the mean of its divisors is an integer number (16936819785).

Almost surely, 2^135023283217 is an apocalyptic number.

It is an amenable number.

135023283217 is a deficient number, since it is larger than the sum of its proper divisors (471275063).

135023283217 is a wasteful number, since it uses less digits than its factorization.

135023283217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335123.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 135023283217 in words is "one hundred thirty-five billion, twenty-three million, two hundred eighty-three thousand, two hundred seventeen".