133339338 has 48 divisors (see below), whose sum is σ = 325711680. Its totient is φ = 40403880.

The previous prime is 133339337. The next prime is 133339357. The reversal of 133339338 is 833933331.

It is not an unprimeable number, because it can be changed into a prime (133339331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3670 + ... + 16737.

It is an arithmetic number, because the mean of its divisors is an integer number (6785660).

Almost surely, 2^133339338 is an apocalyptic number.

133339338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

133339338 is an abundant number, since it is smaller than the sum of its proper divisors (192372342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133339338 is a wasteful number, since it uses less digits than its factorization.

133339338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20440 (or 20423 counting only the distinct ones).

The product of its digits is 52488, while the sum is 36.

The square root of 133339338 is about 11547.2653905589. The cubic root of 133339338 is about 510.8806238684.

The spelling of 133339338 in words is "one hundred thirty-three million, three hundred thirty-nine thousand, three hundred thirty-eight".