130686068 has 6 divisors (see below), whose sum is σ = 228700626. Its totient is φ = 65343032.

The previous prime is 130686067. The next prime is 130686071. The reversal of 130686068 is 860686031.

It can be written as a sum of positive squares in only one way, i.e., 110418064 + 20268004 = 10508^2 + 4502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130686067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16335755 + ... + 16335762.

It is an arithmetic number, because the mean of its divisors is an integer number (38116771).

Almost surely, 2^130686068 is an apocalyptic number.

It is an amenable number.

130686068 is a deficient number, since it is larger than the sum of its proper divisors (98014558).

130686068 is a wasteful number, since it uses less digits than its factorization.

130686068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32671521 (or 32671519 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 130686068 is about 11431.8007330429. The cubic root of 130686068 is about 507.4692878597.

The spelling of 130686068 in words is "one hundred thirty million, six hundred eighty-six thousand, sixty-eight".