130278912665 has 32 divisors (see below), whose sum is σ = 174726288000. Its totient is φ = 92431825920.

The previous prime is 130278912649. The next prime is 130278912691. The reversal of 130278912665 is 566219872031.

It is a happy number.

It is not a de Polignac number, because 130278912665 - 2⁴ = 130278912649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1927361 + ... + 1993809.

It is an arithmetic number, because the mean of its divisors is an integer number (5460196500).

Almost surely, 2^130278912665 is an apocalyptic number.

It is an amenable number.

130278912665 is a deficient number, since it is larger than the sum of its proper divisors (44447375335).

130278912665 is a wasteful number, since it uses less digits than its factorization.

130278912665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67337.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 130278912665 in words is "one hundred thirty billion, two hundred seventy-eight million, nine hundred twelve thousand, six hundred sixty-five".