133152013 has 4 divisors (see below), whose sum is σ = 133441308. Its totient is φ = 132862720.

The previous prime is 133152001. The next prime is 133152017. The reversal of 133152013 is 310251331.

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 40934404 + 92217609 = 6398^2 + 9603^2 .

It is a cyclic number.

It is not a de Polignac number, because 133152013 - 2²⁵ = 99597581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133152017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143956 + ... + 144877.

It is an arithmetic number, because the mean of its divisors is an integer number (33360327).

Almost surely, 2^133152013 is an apocalyptic number.

It is an amenable number.

133152013 is a deficient number, since it is larger than the sum of its proper divisors (289295).

133152013 is an equidigital number, since it uses as much as digits as its factorization.

133152013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289294.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 133152013 is about 11539.1513119466. The cubic root of 133152013 is about 510.6412707384.

The spelling of 133152013 in words is "one hundred thirty-three million, one hundred fifty-two thousand, thirteen".