133539374 has 8 divisors (see below), whose sum is σ = 207216360. Its totient is φ = 64467256.

The previous prime is 133539359. The next prime is 133539377. The reversal of 133539374 is 473935331.

It is a happy number.

133539374 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133539377) 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, 1151144 + ... + 1151259.

It is an arithmetic number, because the mean of its divisors is an integer number (25902045).

Almost surely, 2^133539374 is an apocalyptic number.

133539374 is a deficient number, since it is larger than the sum of its proper divisors (73676986).

133539374 is a wasteful number, since it uses less digits than its factorization.

133539374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302434.

The product of its digits is 102060, while the sum is 38.

The square root of 133539374 is about 11555.9237622961. The cubic root of 133539374 is about 511.1359710060.

The spelling of 133539374 in words is "one hundred thirty-three million, five hundred thirty-nine thousand, three hundred seventy-four".