135205433 has 4 divisors (see below), whose sum is σ = 147496848. Its totient is φ = 122914020.

The previous prime is 135205429. The next prime is 135205451. The reversal of 135205433 is 334502531.

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 a cyclic number.

It is not a de Polignac number, because 135205433 - 2² = 135205429 is a prime.

It is a super-2 number, since 2×135205433² = 36561018225434978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135205333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6145691 + ... + 6145712.

It is an arithmetic number, because the mean of its divisors is an integer number (36874212).

Almost surely, 2^135205433 is an apocalyptic number.

It is an amenable number.

135205433 is a deficient number, since it is larger than the sum of its proper divisors (12291415).

135205433 is a wasteful number, since it uses less digits than its factorization.

135205433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291414.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 135205433 is about 11627.7871067542. The cubic root of 135205433 is about 513.2528635974.

Adding to 135205433 its reverse (334502531), we get a palindrome (469707964).

The spelling of 135205433 in words is "one hundred thirty-five million, two hundred five thousand, four hundred thirty-three".