130312142 has 4 divisors (see below), whose sum is σ = 195468216. Its totient is φ = 65156070.

The previous prime is 130312129. The next prime is 130312183. The reversal of 130312142 is 241213031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 130312142.

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, 32578034 + ... + 32578037.

It is an arithmetic number, because the mean of its divisors is an integer number (48867054).

Almost surely, 2^130312142 is an apocalyptic number.

130312142 is a deficient number, since it is larger than the sum of its proper divisors (65156074).

130312142 is an equidigital number, since it uses as much as digits as its factorization.

130312142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65156073.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130312142 is about 11415.4343763170. The cubic root of 130312142 is about 506.9848260446.

Adding to 130312142 its reverse (241213031), we get a palindrome (371525173).

The spelling of 130312142 in words is "one hundred thirty million, three hundred twelve thousand, one hundred forty-two".