130724661107 has 4 divisors (see below), whose sum is σ = 131094986280. Its totient is φ = 130354335936.

The previous prime is 130724661103. The next prime is 130724661139. The reversal of 130724661107 is 701166427031.

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

It is a cyclic number.

It is not a de Polignac number, because 130724661107 - 2² = 130724661103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130724661103) 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, 185162057 + ... + 185162762.

It is an arithmetic number, because the mean of its divisors is an integer number (32773746570).

Almost surely, 2^130724661107 is an apocalyptic number.

130724661107 is a deficient number, since it is larger than the sum of its proper divisors (370325173).

130724661107 is an equidigital number, since it uses as much as digits as its factorization.

130724661107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370325172.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 130724661107 in words is "one hundred thirty billion, seven hundred twenty-four million, six hundred sixty-one thousand, one hundred seven".