130381632 has 42 divisors (see below), whose sum is σ = 373717058. Its totient is φ = 43460352.

The previous prime is 130381621. The next prime is 130381639. The reversal of 130381632 is 236183031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 129413376 + 968256 = 11376^2 + 984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130381596 and 130381605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130381639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112603 + ... + 113754.

Almost surely, 2^130381632 is an apocalyptic number.

130381632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130381632 is an abundant number, since it is smaller than the sum of its proper divisors (243335426).

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

130381632 is a wasteful number, since it uses less digits than its factorization.

130381632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226375 (or 226362 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 130381632 is about 11418.4776568508. The cubic root of 130381632 is about 507.0749279455.

The spelling of 130381632 in words is "one hundred thirty million, three hundred eighty-one thousand, six hundred thirty-two".