232135133 has 4 divisors (see below), whose sum is σ = 232330908. Its totient is φ = 231939360.

The previous prime is 232135121. The next prime is 232135157. The reversal of 232135133 is 331531232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 195496324 + 36638809 = 13982^2 + 6053^2 .

It is a cyclic number.

It is not a de Polignac number, because 232135133 - 2⁶ = 232135069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232135099 and 232135108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232135933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96098 + ... + 98483.

It is an arithmetic number, because the mean of its divisors is an integer number (58082727).

Almost surely, 2^232135133 is an apocalyptic number.

It is an amenable number.

232135133 is a deficient number, since it is larger than the sum of its proper divisors (195775).

232135133 is a wasteful number, since it uses less digits than its factorization.

232135133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195774.

The product of its digits is 1620, while the sum is 23.

The square root of 232135133 is about 15235.9815240109. The cubic root of 232135133 is about 614.5826441048.

Adding to 232135133 its reverse (331531232), we get a palindrome (563666365).

The spelling of 232135133 in words is "two hundred thirty-two million, one hundred thirty-five thousand, one hundred thirty-three".