130781288782 has 4 divisors (see below), whose sum is σ = 196171933176. Its totient is φ = 65390644390.

The previous prime is 130781288753. The next prime is 130781288783. The reversal of 130781288782 is 287882187031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 287882187031 = 1721 ⋅167276111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130781288783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32695322194 + ... + 32695322197.

It is an arithmetic number, because the mean of its divisors is an integer number (49042983294).

Almost surely, 2^130781288782 is an apocalyptic number.

130781288782 is a deficient number, since it is larger than the sum of its proper divisors (65390644394).

130781288782 is an equidigital number, since it uses as much as digits as its factorization.

130781288782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65390644393.

The product of its (nonzero) digits is 2408448, while the sum is 55.

The spelling of 130781288782 in words is "one hundred thirty billion, seven hundred eighty-one million, two hundred eighty-eight thousand, seven hundred eighty-two".