135930917 has 4 divisors (see below), whose sum is σ = 140618220. Its totient is φ = 131243616.

The previous prime is 135930901. The next prime is 135930919. The reversal of 135930917 is 719039531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105801796 + 30129121 = 10286^2 + 5489^2 .

It is a cyclic number.

It is not a de Polignac number, because 135930917 - 2⁴ = 135930901 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 (135930919) 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, 2343608 + ... + 2343665.

It is an arithmetic number, because the mean of its divisors is an integer number (35154555).

Almost surely, 2^135930917 is an apocalyptic number.

It is an amenable number.

135930917 is a deficient number, since it is larger than the sum of its proper divisors (4687303).

135930917 is an equidigital number, since it uses as much as digits as its factorization.

135930917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687302.

The product of its (nonzero) digits is 25515, while the sum is 38.

The square root of 135930917 is about 11658.9415042704. The cubic root of 135930917 is about 514.1692289496.

The spelling of 135930917 in words is "one hundred thirty-five million, nine hundred thirty thousand, nine hundred seventeen".