232135529 has 6 divisors (see below), whose sum is σ = 234421866. Its totient is φ = 229871280.

The previous prime is 232135489. The next prime is 232135531. The reversal of 232135529 is 925531232.

It can be written as a sum of positive squares in only one way, i.e., 126045529 + 106090000 = 11227^2 + 10300^2 .

It is a de Polignac number, because none of the positive numbers 2^k-232135529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232135495 and 232135504.

It is not an unprimeable number, because it can be changed into a prime (232135549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 332 + ... + 21549.

It is an arithmetic number, because the mean of its divisors is an integer number (39070311).

Almost surely, 2^232135529 is an apocalyptic number.

It is an amenable number.

232135529 is a deficient number, since it is larger than the sum of its proper divisors (2286337).

232135529 is an equidigital number, since it uses as much as digits as its factorization.

232135529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22087 (or 21984 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 232135529 is about 15235.9945195580. The cubic root of 232135529 is about 614.5829935774.

The spelling of 232135529 in words is "two hundred thirty-two million, one hundred thirty-five thousand, five hundred twenty-nine".