135232145 has 8 divisors (see below), whose sum is σ = 166236840. Its totient is φ = 105546880.

The previous prime is 135232117. The next prime is 135232171. The reversal of 135232145 is 541232531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5909761 + 129322384 = 2431^2 + 11372^2 .

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

It is not a de Polignac number, because 135232145 - 2⁶ = 135232081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329630 + ... + 330039.

It is an arithmetic number, because the mean of its divisors is an integer number (20779605).

Almost surely, 2^135232145 is an apocalyptic number.

It is an amenable number.

135232145 is a deficient number, since it is larger than the sum of its proper divisors (31004695).

135232145 is an equidigital number, since it uses as much as digits as its factorization.

135232145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659715.

The product of its digits is 3600, while the sum is 26.

The square root of 135232145 is about 11628.9356778684. The cubic root of 135232145 is about 513.2866618144.

Adding to 135232145 its reverse (541232531), we get a palindrome (676464676).

The spelling of 135232145 in words is "one hundred thirty-five million, two hundred thirty-two thousand, one hundred forty-five".