130194982981 has 6 divisors (see below), whose sum is σ = 151451306790. Its totient is φ = 111595699656.

The previous prime is 130194982979. The next prime is 130194983003. The reversal of 130194982981 is 189289491031.

It can be written as a sum of positive squares in only one way, i.e., 101272878756 + 28922104225 = 318234^2 + 170065^2 .

It is not a de Polignac number, because 130194982981 - 2¹ = 130194982979 is a prime.

It is a super-2 number, since 2×130194982981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130194985981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1328520186 + ... + 1328520283.

It is an arithmetic number, because the mean of its divisors is an integer number (25241884465).

Almost surely, 2^130194982981 is an apocalyptic number.

It is an amenable number.

130194982981 is a deficient number, since it is larger than the sum of its proper divisors (21256323809).

130194982981 is an equidigital number, since it uses as much as digits as its factorization.

130194982981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657040483 (or 2657040476 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 55.

The spelling of 130194982981 in words is "one hundred thirty billion, one hundred ninety-four million, nine hundred eighty-two thousand, nine hundred eighty-one".