135252633 has 4 divisors (see below), whose sum is σ = 180336848. Its totient is φ = 90168420.

The previous prime is 135252631. The next prime is 135252641. The reversal of 135252633 is 336252531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 135252633 - 2¹ = 135252631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135252633.

It is not an unprimeable number, because it can be changed into a prime (135252631) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22542103 + ... + 22542108.

It is an arithmetic number, because the mean of its divisors is an integer number (45084212).

Almost surely, 2^135252633 is an apocalyptic number.

It is an amenable number.

135252633 is a deficient number, since it is larger than the sum of its proper divisors (45084215).

135252633 is an equidigital number, since it uses as much as digits as its factorization.

135252633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45084214.

The product of its digits is 16200, while the sum is 30.

The square root of 135252633 is about 11629.8165505738. The cubic root of 135252633 is about 513.3125818995.

The spelling of 135252633 in words is "one hundred thirty-five million, two hundred fifty-two thousand, six hundred thirty-three".