130308345 has 80 divisors (see below), whose sum is σ = 245887488. Its totient is φ = 65940480.

The previous prime is 130308259. The next prime is 130308391. The reversal of 130308345 is 543803031.

It is a happy number.

130308345 is a `hidden beast` number, since 13 + 0 + 308 + 345 = 666.

It is not a de Polignac number, because 130308345 - 2¹⁰ = 130307321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1217782 + ... + 1217888.

Almost surely, 2^130308345 is an apocalyptic number.

130308345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130308345 is a deficient number, since it is larger than the sum of its proper divisors (115579143).

130308345 is a wasteful number, since it uses less digits than its factorization.

130308345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 130308345 is about 11415.2680651836. The cubic root of 130308345 is about 506.9799018678.

The spelling of 130308345 in words is "one hundred thirty million, three hundred eight thousand, three hundred forty-five".