513536340145 has 4 divisors (see below), whose sum is σ = 616243608180. Its totient is φ = 410829072112.

The previous prime is 513536340131. The next prime is 513536340173. The reversal of 513536340145 is 541043635315.

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 340014939664 + 173521400481 = 583108^2 + 416559^2 .

It is a cyclic number.

It is not a de Polignac number, because 513536340145 - 2¹³ = 513536331953 is a prime.

It is a super-2 number, since 2×513536340145² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 513536340098 and 513536340107.

It is an unprimeable number.

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, 51353634010 + ... + 51353634019.

It is an arithmetic number, because the mean of its divisors is an integer number (154060902045).

Almost surely, 2^513536340145 is an apocalyptic number.

It is an amenable number.

513536340145 is a deficient number, since it is larger than the sum of its proper divisors (102707268035).

513536340145 is a wasteful number, since it uses less digits than its factorization.

513536340145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102707268034.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 513536340145 in words is "five hundred thirteen billion, five hundred thirty-six million, three hundred forty thousand, one hundred forty-five".