134523513 has 6 divisors (see below), whose sum is σ = 194311754. Its totient is φ = 89682336.

The previous prime is 134523497. The next prime is 134523517. The reversal of 134523513 is 315325431.

134523513 is a `hidden beast` number, since 134 + 523 + 5 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 71368704 + 63154809 = 8448^2 + 7947^2 .

It is not a de Polignac number, because 134523513 - 2⁴ = 134523497 is a prime.

It is a super-2 number, since 2×134523513² = 36193151099722338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134523517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7473520 + ... + 7473537.

Almost surely, 2^134523513 is an apocalyptic number.

It is an amenable number.

134523513 is a deficient number, since it is larger than the sum of its proper divisors (59788241).

134523513 is a wasteful number, since it uses less digits than its factorization.

134523513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14947063 (or 14947060 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 134523513 is about 11598.4271778548. The cubic root of 134523513 is about 512.3885308235.

Adding to 134523513 its reverse (315325431), we get a palindrome (449848944).

The spelling of 134523513 in words is "one hundred thirty-four million, five hundred twenty-three thousand, five hundred thirteen".