64134513 has 24 divisors (see below), whose sum is σ = 94663296. Its totient is φ = 41832000.

The previous prime is 64134503. The next prime is 64134527. The reversal of 64134513 is 31543146.

64134513 is a `hidden beast` number, since 641 + 3 + 4 + 5 + 13 = 666.

It is not a de Polignac number, because 64134513 - 2²⁰ = 63085937 is a prime.

It is a super-2 number, since 2×64134513² = 8226471515494338, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64134503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106413 + ... + 107013.

It is an arithmetic number, because the mean of its divisors is an integer number (3944304).

Almost surely, 2^64134513 is an apocalyptic number.

It is an amenable number.

64134513 is a deficient number, since it is larger than the sum of its proper divisors (30528783).

64134513 is a wasteful number, since it uses less digits than its factorization.

64134513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 842 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 64134513 is about 8008.4026497174. The cubic root of 64134513 is about 400.2800393159.

Adding to 64134513 its reverse (31543146), we get a palindrome (95677659).

The spelling of 64134513 in words is "sixty-four million, one hundred thirty-four thousand, five hundred thirteen".