130487440 has 40 divisors (see below), whose sum is σ = 319354560. Its totient is φ = 49447296.

The previous prime is 130487429. The next prime is 130487453. The reversal of 130487440 is 44784031.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41404 + ... + 44443.

It is an arithmetic number, because the mean of its divisors is an integer number (7983864).

Almost surely, 2^130487440 is an apocalyptic number.

130487440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130487440 is an abundant number, since it is smaller than the sum of its proper divisors (188867120).

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

130487440 is a wasteful number, since it uses less digits than its factorization.

130487440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85879 (or 85873 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 130487440 is about 11423.1099093023. The cubic root of 130487440 is about 507.2120589105.

The spelling of 130487440 in words is "one hundred thirty million, four hundred eighty-seven thousand, four hundred forty".