130643747 has 4 divisors (see below), whose sum is σ = 140693280. Its totient is φ = 120594216.

The previous prime is 130643741. The next prime is 130643767. The reversal of 130643747 is 747346031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747346031 = 313 ⋅2387687.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130643747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130643741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5024747 + ... + 5024772.

It is an arithmetic number, because the mean of its divisors is an integer number (35173320).

Almost surely, 2^130643747 is an apocalyptic number.

130643747 is a deficient number, since it is larger than the sum of its proper divisors (10049533).

130643747 is a wasteful number, since it uses less digits than its factorization.

130643747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049532.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 130643747 is about 11429.9495624434. The cubic root of 130643747 is about 507.4145028144.

Adding to 130643747 its reverse (747346031), we get a palindrome (877989778).

The spelling of 130643747 in words is "one hundred thirty million, six hundred forty-three thousand, seven hundred forty-seven".