133298378 has 8 divisors (see below), whose sum is σ = 200242368. Its totient is φ = 66550924.

The previous prime is 133298293. The next prime is 133298423. The reversal of 133298378 is 873892331.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47426 + ... + 50157.

It is an arithmetic number, because the mean of its divisors is an integer number (25030296).

Almost surely, 2^133298378 is an apocalyptic number.

133298378 is a deficient number, since it is larger than the sum of its proper divisors (66943990).

133298378 is an equidigital number, since it uses as much as digits as its factorization.

133298378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98268.

The product of its digits is 217728, while the sum is 44.

The square root of 133298378 is about 11545.4916742424. The cubic root of 133298378 is about 510.8283066910.

The spelling of 133298378 in words is "one hundred thirty-three million, two hundred ninety-eight thousand, three hundred seventy-eight".