131868652052 has 12 divisors (see below), whose sum is σ = 230773280640. Its totient is φ = 65933429016.

The previous prime is 131868652021. The next prime is 131868652093. The reversal of 131868652052 is 250256868131.

It is a super-2 number, since 2×131868652052² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131868651988 and 131868652006.

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 in 3 ways as a sum of consecutive naturals, for example, 192623 + ... + 548489.

It is an arithmetic number, because the mean of its divisors is an integer number (19231106720).

Almost surely, 2^131868652052 is an apocalyptic number.

It is an amenable number.

131868652052 is a deficient number, since it is larger than the sum of its proper divisors (98904628588).

131868652052 is a wasteful number, since it uses less digits than its factorization.

131868652052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448510 (or 448508 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 131868652052 in words is "one hundred thirty-one billion, eight hundred sixty-eight million, six hundred fifty-two thousand, fifty-two".