133935379 has 4 divisors (see below), whose sum is σ = 134023176. Its totient is φ = 133847584.

The previous prime is 133935377. The next prime is 133935413. The reversal of 133935379 is 973539331.

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

It is a cyclic number.

It is not a de Polignac number, because 133935379 - 2¹ = 133935377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133935377) by changing a digit.

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, 41569 + ... + 44674.

It is an arithmetic number, because the mean of its divisors is an integer number (33505794).

Almost surely, 2^133935379 is an apocalyptic number.

133935379 is a deficient number, since it is larger than the sum of its proper divisors (87797).

133935379 is an equidigital number, since it uses as much as digits as its factorization.

133935379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87796.

The product of its digits is 229635, while the sum is 43.

The square root of 133935379 is about 11573.0453641209. The cubic root of 133935379 is about 511.6407226297.

The spelling of 133935379 in words is "one hundred thirty-three million, nine hundred thirty-five thousand, three hundred seventy-nine".