130648779 has 6 divisors (see below), whose sum is σ = 188714916. Its totient is φ = 87099180.

The previous prime is 130648753. The next prime is 130648811. The reversal of 130648779 is 977846031.

It is not a de Polignac number, because 130648779 - 2⁸ = 130648523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130648729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7258257 + ... + 7258274.

It is an arithmetic number, because the mean of its divisors is an integer number (31452486).

Almost surely, 2^130648779 is an apocalyptic number.

130648779 is a deficient number, since it is larger than the sum of its proper divisors (58066137).

130648779 is a wasteful number, since it uses less digits than its factorization.

130648779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14516537 (or 14516534 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 130648779 is about 11430.1696837799. The cubic root of 130648779 is about 507.4210174189.

The spelling of 130648779 in words is "one hundred thirty million, six hundred forty-eight thousand, seven hundred seventy-nine".