133340258 has 8 divisors (see below), whose sum is σ = 200139228. Its totient is φ = 66627184.

The previous prime is 133340227. The next prime is 133340279. The reversal of 133340258 is 852043331.

It can be written as a sum of positive squares in 2 ways, for example, as 118309129 + 15031129 = 10877^2 + 3877^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 133340258.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17441 + ... + 23892.

Almost surely, 2^133340258 is an apocalyptic number.

133340258 is a deficient number, since it is larger than the sum of its proper divisors (66798970).

133340258 is a wasteful number, since it uses less digits than its factorization.

133340258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42948.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 133340258 is about 11547.3052267618. The cubic root of 133340258 is about 510.8817988382.

Adding to 133340258 its reverse (852043331), we get a palindrome (985383589).

The spelling of 133340258 in words is "one hundred thirty-three million, three hundred forty thousand, two hundred fifty-eight".