130400382 has 32 divisors (see below), whose sum is σ = 313747200. Its totient is φ = 35296128.

The previous prime is 130400357. The next prime is 130400383. The reversal of 130400382 is 283004031.

It is a happy number.

It is a super-3 number, since 3×130400382³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 80907 + ... + 82502.

It is an arithmetic number, because the mean of its divisors is an integer number (9804600).

Almost surely, 2^130400382 is an apocalyptic number.

130400382 is an abundant number, since it is smaller than the sum of its proper divisors (183346818).

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

130400382 is a wasteful number, since it uses less digits than its factorization.

130400382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163440.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 130400382 is about 11419.2986649794. The cubic root of 130400382 is about 507.0992340256.

The spelling of 130400382 in words is "one hundred thirty million, four hundred thousand, three hundred eighty-two".