133134513 has 16 divisors (see below), whose sum is σ = 182726400. Its totient is φ = 86186880.

The previous prime is 133134509. The next prime is 133134527. The reversal of 133134513 is 315431331.

It is not a de Polignac number, because 133134513 - 2² = 133134509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133134583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9853 + ... + 19061.

It is an arithmetic number, because the mean of its divisors is an integer number (11420400).

Almost surely, 2^133134513 is an apocalyptic number.

It is an amenable number.

133134513 is a deficient number, since it is larger than the sum of its proper divisors (49591887).

133134513 is an equidigital number, since it uses as much as digits as its factorization.

133134513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9352.

The product of its digits is 1620, while the sum is 24.

The square root of 133134513 is about 11538.3929990272. The cubic root of 133134513 is about 510.6188987804.

Adding to 133134513 its reverse (315431331), we get a palindrome (448565844).

The spelling of 133134513 in words is "one hundred thirty-three million, one hundred thirty-four thousand, five hundred thirteen".