130433985 has 24 divisors (see below), whose sum is σ = 246639744. Its totient is φ = 63240480.

The previous prime is 130433983. The next prime is 130433999. The reversal of 130433985 is 589334031.

130433985 is a `hidden beast` number, since 130 + 433 + 98 + 5 = 666.

It is not a de Polignac number, because 130433985 - 2¹ = 130433983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130433983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131257 + ... + 132246.

It is an arithmetic number, because the mean of its divisors is an integer number (10276656).

Almost surely, 2^130433985 is an apocalyptic number.

130433985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130433985 is a deficient number, since it is larger than the sum of its proper divisors (116205759).

130433985 is a wasteful number, since it uses less digits than its factorization.

130433985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263525 (or 263522 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 130433985 is about 11420.7698952391. The cubic root of 130433985 is about 507.1427885812.

The spelling of 130433985 in words is "one hundred thirty million, four hundred thirty-three thousand, nine hundred eighty-five".