130240142 has 4 divisors (see below), whose sum is σ = 195360216. Its totient is φ = 65120070.

The previous prime is 130240093. The next prime is 130240171. The reversal of 130240142 is 241042031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241042031 = 17 ⋅14178943.

It is a self number, because there is not a number n which added to its sum of digits gives 130240142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32560034 + ... + 32560037.

It is an arithmetic number, because the mean of its divisors is an integer number (48840054).

Almost surely, 2^130240142 is an apocalyptic number.

130240142 is a deficient number, since it is larger than the sum of its proper divisors (65120074).

130240142 is an equidigital number, since it uses as much as digits as its factorization.

130240142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65120073.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 130240142 is about 11412.2803155198. The cubic root of 130240142 is about 506.8914358410.

Adding to 130240142 its reverse (241042031), we get a palindrome (371282173).

The spelling of 130240142 in words is "one hundred thirty million, two hundred forty thousand, one hundred forty-two".