130566305042 has 4 divisors (see below), whose sum is σ = 195849457566. Its totient is φ = 65283152520.

The previous prime is 130566305041. The next prime is 130566305047. The reversal of 130566305042 is 240503665031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240503665031 = 7 ⋅34357666433.

It can be written as a sum of positive squares in only one way, i.e., 110668663561 + 19897641481 = 332669^2 + 141059^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130566304993 and 130566305011.

It is not an unprimeable number, because it can be changed into a prime (130566305041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32641576259 + ... + 32641576262.

Almost surely, 2^130566305042 is an apocalyptic number.

130566305042 is a deficient number, since it is larger than the sum of its proper divisors (65283152524).

130566305042 is an equidigital number, since it uses as much as digits as its factorization.

130566305042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65283152523.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 130566305042 in words is "one hundred thirty billion, five hundred sixty-six million, three hundred five thousand, forty-two".