134513513 has 4 divisors (see below), whose sum is σ = 139151940. Its totient is φ = 129875088.

The previous prime is 134513507. The next prime is 134513527. The reversal of 134513513 is 315315431.

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 68773849 + 65739664 = 8293^2 + 8108^2 .

It is a cyclic number.

It is not a de Polignac number, because 134513513 - 2⁸ = 134513257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134513573) 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, 2319170 + ... + 2319227.

It is an arithmetic number, because the mean of its divisors is an integer number (34787985).

Almost surely, 2^134513513 is an apocalyptic number.

It is an amenable number.

134513513 is a deficient number, since it is larger than the sum of its proper divisors (4638427).

134513513 is an equidigital number, since it uses as much as digits as its factorization.

134513513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638426.

The product of its digits is 2700, while the sum is 26.

The square root of 134513513 is about 11597.9960769091. The cubic root of 134513513 is about 512.3758341280.

Adding to 134513513 its reverse (315315431), we get a palindrome (449828944).

The spelling of 134513513 in words is "one hundred thirty-four million, five hundred thirteen thousand, five hundred thirteen".