513613888148 has 6 divisors (see below), whose sum is σ = 898824304266. Its totient is φ = 256806944072.

The previous prime is 513613888129. The next prime is 513613888231. The reversal of 513613888148 is 841888316315.

It can be written as a sum of positive squares in only one way, i.e., 347889991684 + 165723896464 = 589822^2 + 407092^2 .

It is a junction number, because it is equal to n+sod(n) for n = 513613888093 and 513613888102.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 64201736015 + ... + 64201736022.

It is an arithmetic number, because the mean of its divisors is an integer number (149804050711).

Almost surely, 2^513613888148 is an apocalyptic number.

It is an amenable number.

513613888148 is a deficient number, since it is larger than the sum of its proper divisors (385210416118).

513613888148 is a wasteful number, since it uses less digits than its factorization.

513613888148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128403472041 (or 128403472039 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 56.

The spelling of 513613888148 in words is "five hundred thirteen billion, six hundred thirteen million, eight hundred eighty-eight thousand, one hundred forty-eight".