130297240 has 32 divisors (see below), whose sum is σ = 294660000. Its totient is φ = 51853824.

The previous prime is 130297229. The next prime is 130297243. The reversal of 130297240 is 42792031.

It is a junction number, because it is equal to n+sod(n) for n = 130297199 and 130297208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130297243) 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 7 ways as a sum of consecutive naturals, for example, 225 + ... + 16144.

It is an arithmetic number, because the mean of its divisors is an integer number (9208125).

Almost surely, 2^130297240 is an apocalyptic number.

130297240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130297240 is an abundant number, since it is smaller than the sum of its proper divisors (164362760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130297240 is a wasteful number, since it uses less digits than its factorization.

130297240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16579 (or 16575 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 130297240 is about 11414.7816448673. The cubic root of 130297240 is about 506.9654996903.

The spelling of 130297240 in words is "one hundred thirty million, two hundred ninety-seven thousand, two hundred forty".