133464533 has 4 divisors (see below), whose sum is σ = 133673388. Its totient is φ = 133255680.

The previous prime is 133464509. The next prime is 133464559. The reversal of 133464533 is 335464331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94439524 + 39025009 = 9718^2 + 6247^2 .

It is a cyclic number.

It is not a de Polignac number, because 133464533 - 2⁸ = 133464277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133464533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133464833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103466 + ... + 104747.

It is an arithmetic number, because the mean of its divisors is an integer number (33418347).

Almost surely, 2^133464533 is an apocalyptic number.

It is an amenable number.

133464533 is a deficient number, since it is larger than the sum of its proper divisors (208855).

133464533 is an equidigital number, since it uses as much as digits as its factorization.

133464533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208854.

The product of its digits is 38880, while the sum is 32.

The square root of 133464533 is about 11552.6850991447. The cubic root of 133464533 is about 511.0404659011.

The spelling of 133464533 in words is "one hundred thirty-three million, four hundred sixty-four thousand, five hundred thirty-three".