130188752 has 20 divisors (see below), whose sum is σ = 253793280. Its totient is φ = 64693728.

The previous prime is 130188733. The next prime is 130188757. The reversal of 130188752 is 257881031.

130188752 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×130188752³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130188757) 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, 22352 + ... + 27567.

It is an arithmetic number, because the mean of its divisors is an integer number (12689664).

Almost surely, 2^130188752 is an apocalyptic number.

It is an amenable number.

130188752 is a deficient number, since it is larger than the sum of its proper divisors (123604528).

130188752 is a wasteful number, since it uses less digits than its factorization.

130188752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50090 (or 50084 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 130188752 is about 11410.0285713928. The cubic root of 130188752 is about 506.8247575308.

The spelling of 130188752 in words is "one hundred thirty million, one hundred eighty-eight thousand, seven hundred fifty-two".