135232297 has 8 divisors (see below), whose sum is σ = 143289000. Its totient is φ = 127186944.

The previous prime is 135232277. The next prime is 135232319. The reversal of 135232297 is 792232531.

135232297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12222016 + 123010281 = 3496^2 + 11091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135232297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135232247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42829 + ... + 45877.

It is an arithmetic number, because the mean of its divisors is an integer number (17911125).

Almost surely, 2^135232297 is an apocalyptic number.

135232297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

135232297 is a deficient number, since it is larger than the sum of its proper divisors (8056703).

135232297 is a wasteful number, since it uses less digits than its factorization.

135232297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675.

The product of its digits is 22680, while the sum is 34.

The square root of 135232297 is about 11628.9422132884. The cubic root of 135232297 is about 513.2868541246.

The spelling of 135232297 in words is "one hundred thirty-five million, two hundred thirty-two thousand, two hundred ninety-seven".