513540235006 has 16 divisors (see below), whose sum is σ = 815636218464. Its totient is φ = 241661995264.

The previous prime is 513540235003. The next prime is 513540235073. The reversal of 513540235006 is 600532045315.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513540235003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3411426 + ... + 3558778.

It is an arithmetic number, because the mean of its divisors is an integer number (50977263654).

Almost surely, 2^513540235006 is an apocalyptic number.

513540235006 is a deficient number, since it is larger than the sum of its proper divisors (302095983458).

513540235006 is a wasteful number, since it uses less digits than its factorization.

513540235006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249875.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 513540235006 in words is "five hundred thirteen billion, five hundred forty million, two hundred thirty-five thousand, six".