130143947 has 2 divisors, whose sum is σ = 130143948. Its totient is φ = 130143946.

The previous prime is 130143943. The next prime is 130143961. The reversal of 130143947 is 749341031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130143947 - 2² = 130143943 is a prime.

It is not a weakly prime, because it can be changed into another prime (130143943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65071973 + 65071974.

It is an arithmetic number, because the mean of its divisors is an integer number (65071974).

Almost surely, 2^130143947 is an apocalyptic number.

130143947 is a deficient number, since it is larger than the sum of its proper divisors (1).

130143947 is an equidigital number, since it uses as much as digits as its factorization.

130143947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 130143947 is about 11408.0649980617. The cubic root of 130143947 is about 506.7666089108.

Adding to 130143947 its reverse (749341031), we get a palindrome (879484978).

It can be divided in two parts, 13014 and 3947, that added together give a palindrome (16961).

The spelling of 130143947 in words is "one hundred thirty million, one hundred forty-three thousand, nine hundred forty-seven".