135203368 has 8 divisors (see below), whose sum is σ = 253506330. Its totient is φ = 67601680.

The previous prime is 135203359. The next prime is 135203377. The reversal of 135203368 is 863302531.

It is an interprime number because it is at equal distance from previous prime (135203359) and next prime (135203377).

It can be written as a sum of positive squares in only one way, i.e., 67930564 + 67272804 = 8242^2 + 8202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8450203 + ... + 8450218.

Almost surely, 2^135203368 is an apocalyptic number.

It is an amenable number.

135203368 is a deficient number, since it is larger than the sum of its proper divisors (118302962).

135203368 is a wasteful number, since it uses less digits than its factorization.

135203368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16900427 (or 16900423 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 135203368 is about 11627.6983104998. The cubic root of 135203368 is about 513.2502506044.

Adding to 135203368 its reverse (863302531), we get a palindrome (998505899).

The spelling of 135203368 in words is "one hundred thirty-five million, two hundred three thousand, three hundred sixty-eight".