135475917 has 4 divisors (see below), whose sum is σ = 180634560. Its totient is φ = 90317276.

The previous prime is 135475903. The next prime is 135475919. The reversal of 135475917 is 719574531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135475917 - 2⁷ = 135475789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135475919) 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, 22579317 + ... + 22579322.

It is an arithmetic number, because the mean of its divisors is an integer number (45158640).

Almost surely, 2^135475917 is an apocalyptic number.

It is an amenable number.

135475917 is a deficient number, since it is larger than the sum of its proper divisors (45158643).

135475917 is an equidigital number, since it uses as much as digits as its factorization.

135475917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45158642.

The product of its digits is 132300, while the sum is 42.

The square root of 135475917 is about 11639.4122274280. The cubic root of 135475917 is about 513.5948967319.

The spelling of 135475917 in words is "one hundred thirty-five million, four hundred seventy-five thousand, nine hundred seventeen".