130142066 has 4 divisors (see below), whose sum is σ = 195213102. Its totient is φ = 65071032.

The previous prime is 130142041. The next prime is 130142069. The reversal of 130142066 is 660241031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77070841 + 53071225 = 8779^2 + 7285^2 .

It is not an unprimeable number, because it can be changed into a prime (130142069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32535515 + ... + 32535518.

Almost surely, 2^130142066 is an apocalyptic number.

130142066 is a deficient number, since it is larger than the sum of its proper divisors (65071036).

130142066 is an equidigital number, since it uses as much as digits as its factorization.

130142066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65071035.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 130142066 is about 11407.9825560876. The cubic root of 130142066 is about 506.7641674281.

Adding to 130142066 its reverse (660241031), we get a palindrome (790383097).

The spelling of 130142066 in words is "one hundred thirty million, one hundred forty-two thousand, sixty-six".