613230135520 has 48 divisors (see below), whose sum is σ = 1463691863088. Its totient is φ = 242763264000.

The previous prime is 613230135517. The next prime is 613230135523. The reversal of 613230135520 is 25531032316.

It is an interprime number because it is at equal distance from previous prime (613230135517) and next prime (613230135523).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613230135523) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19740606 + ... + 19771645.

It is an arithmetic number, because the mean of its divisors is an integer number (30493580481).

Almost surely, 2^613230135520 is an apocalyptic number.

It is an amenable number.

613230135520 is an abundant number, since it is smaller than the sum of its proper divisors (850461727568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613230135520 is a wasteful number, since it uses less digits than its factorization.

613230135520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39512363 (or 39512355 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 613230135520 its reverse (25531032316), we get a palindrome (638761167836).

The spelling of 613230135520 in words is "six hundred thirteen billion, two hundred thirty million, one hundred thirty-five thousand, five hundred twenty".