135717236 has 6 divisors (see below), whose sum is σ = 237505170. Its totient is φ = 67858616.

The previous prime is 135717217. The next prime is 135717251. The reversal of 135717236 is 632717531.

It can be written as a sum of positive squares in only one way, i.e., 96904336 + 38812900 = 9844^2 + 6230^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135717196 and 135717205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16964651 + ... + 16964658.

It is an arithmetic number, because the mean of its divisors is an integer number (39584195).

Almost surely, 2^135717236 is an apocalyptic number.

It is an amenable number.

135717236 is a deficient number, since it is larger than the sum of its proper divisors (101787934).

135717236 is a wasteful number, since it uses less digits than its factorization.

135717236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33929313 (or 33929311 counting only the distinct ones).

The product of its digits is 26460, while the sum is 35.

The square root of 135717236 is about 11649.7740750626. The cubic root of 135717236 is about 513.8996660028.

The spelling of 135717236 in words is "one hundred thirty-five million, seven hundred seventeen thousand, two hundred thirty-six".