133540529 has 8 divisors (see below), whose sum is σ = 140110080. Its totient is φ = 127112400.

The previous prime is 133540523. The next prime is 133540571. The reversal of 133540529 is 925045331.

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

It is not a de Polignac number, because 133540529 - 2⁴ = 133540513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133540495 and 133540504.

It is not an unprimeable number, because it can be changed into a prime (133540523) 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, 33419 + ... + 37200.

It is an arithmetic number, because the mean of its divisors is an integer number (17513760).

Almost surely, 2^133540529 is an apocalyptic number.

It is an amenable number.

133540529 is a deficient number, since it is larger than the sum of its proper divisors (6569551).

133540529 is an equidigital number, since it uses as much as digits as its factorization.

133540529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70711.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 133540529 is about 11555.9737365572. The cubic root of 133540529 is about 511.1374446297.

The spelling of 133540529 in words is "one hundred thirty-three million, five hundred forty thousand, five hundred twenty-nine".