133345353 has 8 divisors (see below), whose sum is σ = 183529216. Its totient is φ = 86029200.

The previous prime is 133345349. The next prime is 133345361. The reversal of 133345353 is 353543331.

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

It is not a de Polignac number, because 133345353 - 2² = 133345349 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 133345353.

It is not an unprimeable number, because it can be changed into a prime (133345253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716818 + ... + 717003.

It is an arithmetic number, because the mean of its divisors is an integer number (22941152).

Almost surely, 2^133345353 is an apocalyptic number.

It is an amenable number.

133345353 is a deficient number, since it is larger than the sum of its proper divisors (50183863).

133345353 is a wasteful number, since it uses less digits than its factorization.

133345353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433855.

The product of its digits is 24300, while the sum is 30.

The square root of 133345353 is about 11547.5258388973. The cubic root of 133345353 is about 510.8883057743. Note that the first 3 decimals are identical.

Adding to 133345353 its reverse (353543331), we get a palindrome (486888684).

The spelling of 133345353 in words is "one hundred thirty-three million, three hundred forty-five thousand, three hundred fifty-three".