133340939 has 8 divisors (see below), whose sum is σ = 135053568. Its totient is φ = 131637160.

The previous prime is 133340923. The next prime is 133340971. The reversal of 133340939 is 939043331.

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

It is a cyclic number.

It is not a de Polignac number, because 133340939 - 2⁴ = 133340923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133340899 and 133340908.

It is not an unprimeable number, because it can be changed into a prime (133340539) 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 7 ways as a sum of consecutive naturals, for example, 31274 + ... + 35280.

It is an arithmetic number, because the mean of its divisors is an integer number (16881696).

Almost surely, 2^133340939 is an apocalyptic number.

133340939 is a deficient number, since it is larger than the sum of its proper divisors (1712629).

133340939 is a wasteful number, since it uses less digits than its factorization.

133340939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425.

The product of its (nonzero) digits is 26244, while the sum is 35.

The square root of 133340939 is about 11547.3347141234. The cubic root of 133340939 is about 510.8826685679.

The spelling of 133340939 in words is "one hundred thirty-three million, three hundred forty thousand, nine hundred thirty-nine".