513138261039 has 16 divisors (see below), whose sum is σ = 686613832800. Its totient is φ = 340877753856.

The previous prime is 513138261029. The next prime is 513138261059. The reversal of 513138261039 is 930162831315.

It is not a de Polignac number, because 513138261039 - 2⁴ = 513138261023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513138261029) 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, 7074147 + ... + 7146315.

It is an arithmetic number, because the mean of its divisors is an integer number (42913364550).

Almost surely, 2^513138261039 is an apocalyptic number.

513138261039 is a deficient number, since it is larger than the sum of its proper divisors (173475571761).

513138261039 is a wasteful number, since it uses less digits than its factorization.

513138261039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80554.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 513138261039 in words is "five hundred thirteen billion, one hundred thirty-eight million, two hundred sixty-one thousand, thirty-nine".