135823317 has 16 divisors (see below), whose sum is σ = 207714432. Its totient is φ = 77333760.

The previous prime is 135823313. The next prime is 135823321. The reversal of 135823317 is 713328531.

It is an interprime number because it is at equal distance from previous prime (135823313) and next prime (135823321).

It is not a de Polignac number, because 135823317 - 2² = 135823313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135823313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5608 + ... + 17409.

It is an arithmetic number, because the mean of its divisors is an integer number (12982152).

Almost surely, 2^135823317 is an apocalyptic number.

It is an amenable number.

135823317 is a deficient number, since it is larger than the sum of its proper divisors (71891115).

135823317 is a wasteful number, since it uses less digits than its factorization.

135823317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23308.

The product of its digits is 15120, while the sum is 33.

The square root of 135823317 is about 11654.3261066438. The cubic root of 135823317 is about 514.0335246899.

The spelling of 135823317 in words is "one hundred thirty-five million, eight hundred twenty-three thousand, three hundred seventeen".