133340459 has 4 divisors (see below), whose sum is σ = 152389104. Its totient is φ = 114291816.

The previous prime is 133340443. The next prime is 133340477. The reversal of 133340459 is 954043331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 954043331 = 307 ⋅3107633.

It is a cyclic number.

It is not a de Polignac number, because 133340459 - 2⁴ = 133340443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133340429) 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, 9524312 + ... + 9524325.

It is an arithmetic number, because the mean of its divisors is an integer number (38097276).

Almost surely, 2^133340459 is an apocalyptic number.

133340459 is a deficient number, since it is larger than the sum of its proper divisors (19048645).

133340459 is an equidigital number, since it uses as much as digits as its factorization.

133340459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19048644.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 133340459 is about 11547.3139300878. The cubic root of 133340459 is about 510.8820555429.

The spelling of 133340459 in words is "one hundred thirty-three million, three hundred forty thousand, four hundred fifty-nine".