130636446 has 8 divisors (see below), whose sum is σ = 261272904. Its totient is φ = 43545480.

The previous prime is 130636427. The next prime is 130636447. The reversal of 130636446 is 644636031.

It is a sphenic number, since it is the product of 3 distinct primes.

130636446 is an admirable number.

It is a super-3 number, since 3×130636446³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130636447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10886365 + ... + 10886376.

It is an arithmetic number, because the mean of its divisors is an integer number (32659113).

Almost surely, 2^130636446 is an apocalyptic number.

130636446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130636446 is a wasteful number, since it uses less digits than its factorization.

130636446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21772746.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 130636446 is about 11429.6301777442. The cubic root of 130636446 is about 507.4050503853.

The spelling of 130636446 in words is "one hundred thirty million, six hundred thirty-six thousand, four hundred forty-six".