133353919 has 8 divisors (see below), whose sum is σ = 140013360. Its totient is φ = 126831936.

The previous prime is 133353917. The next prime is 133353943. The reversal of 133353919 is 919353331.

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 133353919 - 2¹ = 133353917 is a prime.

It is a super-2 number, since 2×133353919² = 35566535425317122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133353911) 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, 32374 + ... + 36259.

It is an arithmetic number, because the mean of its divisors is an integer number (17501670).

Almost surely, 2^133353919 is an apocalyptic number.

133353919 is a deficient number, since it is larger than the sum of its proper divisors (6659441).

133353919 is an equidigital number, since it uses as much as digits as its factorization.

133353919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68729.

The product of its digits is 32805, while the sum is 37.

The square root of 133353919 is about 11547.8967349037. The cubic root of 133353919 is about 510.8992452270.

The spelling of 133353919 in words is "one hundred thirty-three million, three hundred fifty-three thousand, nine hundred nineteen".