133532459 has 4 divisors (see below), whose sum is σ = 134428800. Its totient is φ = 132636120.

The previous prime is 133532447. The next prime is 133532491. The reversal of 133532459 is 954235331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 954235331 = 7 ⋅136319333.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133532459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133532429) 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, 447947 + ... + 448244.

It is an arithmetic number, because the mean of its divisors is an integer number (33607200).

Almost surely, 2^133532459 is an apocalyptic number.

133532459 is a deficient number, since it is larger than the sum of its proper divisors (896341).

133532459 is an equidigital number, since it uses as much as digits as its factorization.

133532459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896340.

The product of its digits is 48600, while the sum is 35.

The square root of 133532459 is about 11555.6245612256. The cubic root of 133532459 is about 511.1271482243.

The spelling of 133532459 in words is "one hundred thirty-three million, five hundred thirty-two thousand, four hundred fifty-nine".