133938358 has 4 divisors (see below), whose sum is σ = 200907540. Its totient is φ = 66969178.

The previous prime is 133938347. The next prime is 133938373. The reversal of 133938358 is 853839331.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33484588 + ... + 33484591.

It is an arithmetic number, because the mean of its divisors is an integer number (50226885).

Almost surely, 2^133938358 is an apocalyptic number.

133938358 is a deficient number, since it is larger than the sum of its proper divisors (66969182).

133938358 is an equidigital number, since it uses as much as digits as its factorization.

133938358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66969181.

The product of its digits is 233280, while the sum is 43.

The square root of 133938358 is about 11573.1740676445. The cubic root of 133938358 is about 511.6445159178.

The spelling of 133938358 in words is "one hundred thirty-three million, nine hundred thirty-eight thousand, three hundred fifty-eight".