130257420 has 48 divisors (see below), whose sum is σ = 368497248. Its totient is φ = 34375680.

The previous prime is 130257419. The next prime is 130257431. The reversal of 130257420 is 24752031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5371 + ... + 17010.

It is an arithmetic number, because the mean of its divisors is an integer number (7677026).

Almost surely, 2^130257420 is an apocalyptic number.

130257420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130257420 is an abundant number, since it is smaller than the sum of its proper divisors (238239828).

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

130257420 is a wasteful number, since it uses less digits than its factorization.

130257420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22490 (or 22488 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 130257420 is about 11413.0372819859. The cubic root of 130257420 is about 506.9138500339.

The spelling of 130257420 in words is "one hundred thirty million, two hundred fifty-seven thousand, four hundred twenty".