130400380 has 48 divisors (see below), whose sum is σ = 299619936. Its totient is φ = 47278080.

The previous prime is 130400357. The next prime is 130400383. The reversal of 130400380 is 83004031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130400383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99892 + ... + 101188.

It is an arithmetic number, because the mean of its divisors is an integer number (6242082).

Almost surely, 2^130400380 is an apocalyptic number.

130400380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130400380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149809968).

130400380 is an abundant number, since it is smaller than the sum of its proper divisors (169219556).

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

130400380 is a wasteful number, since it uses less digits than its factorization.

130400380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1772 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 130400380 is about 11419.2985774083. The cubic root of 130400380 is about 507.0992314331.

The spelling of 130400380 in words is "one hundred thirty million, four hundred thousand, three hundred eighty".