133394353 has 8 divisors (see below), whose sum is σ = 135085896. Its totient is φ = 131712000.

The previous prime is 133394321. The next prime is 133394377. The reversal of 133394353 is 353493331.

It can be written as a sum of positive squares in 4 ways, for example, as 1787569 + 131606784 = 1337^2 + 11472^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 133394353 - 2⁵ = 133394321 is a prime.

It is a super-4 number, since 4×133394353⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133394453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29653 + ... + 33853.

It is an arithmetic number, because the mean of its divisors is an integer number (16885737).

Almost surely, 2^133394353 is an apocalyptic number.

It is an amenable number.

133394353 is a deficient number, since it is larger than the sum of its proper divisors (1691543).

133394353 is a wasteful number, since it uses less digits than its factorization.

133394353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595.

The product of its digits is 43740, while the sum is 34.

The square root of 133394353 is about 11549.6473106325. The cubic root of 133394353 is about 510.9508762870.

The spelling of 133394353 in words is "one hundred thirty-three million, three hundred ninety-four thousand, three hundred fifty-three".