133305351 has 8 divisors (see below), whose sum is σ = 178218480. Its totient is φ = 88631232.

The previous prime is 133305343. The next prime is 133305353. The reversal of 133305351 is 153503331.

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

It is not a de Polignac number, because 133305351 - 2³ = 133305343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133305353) 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 7 ways as a sum of consecutive naturals, for example, 58446 + ... + 60683.

It is an arithmetic number, because the mean of its divisors is an integer number (22277310).

Almost surely, 2^133305351 is an apocalyptic number.

133305351 is a deficient number, since it is larger than the sum of its proper divisors (44913129).

133305351 is a wasteful number, since it uses less digits than its factorization.

133305351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119505.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 133305351 is about 11545.7936496371. The cubic root of 133305351 is about 510.8372138853.

Adding to 133305351 its reverse (153503331), we get a palindrome (286808682).

It can be divided in two parts, 13330 and 5351, that added together give a palindrome (18681).

The spelling of 133305351 in words is "one hundred thirty-three million, three hundred five thousand, three hundred fifty-one".