133308539 has 8 divisors (see below), whose sum is σ = 164072160. Its totient is φ = 105474816.

The previous prime is 133308533. The next prime is 133308551. The reversal of 133308539 is 935803331.

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 133308539 - 2²⁴ = 116531323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133308499 and 133308508.

It is not an unprimeable number, because it can be changed into a prime (133308533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732374 + ... + 732555.

It is an arithmetic number, because the mean of its divisors is an integer number (20509020).

Almost surely, 2^133308539 is an apocalyptic number.

133308539 is a deficient number, since it is larger than the sum of its proper divisors (30763621).

133308539 is a wasteful number, since it uses less digits than its factorization.

133308539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464949.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 133308539 is about 11545.9317077488. The cubic root of 133308539 is about 510.8412860801.

The spelling of 133308539 in words is "one hundred thirty-three million, three hundred eight thousand, five hundred thirty-nine".