130688750 has 20 divisors (see below), whose sum is σ = 244965336. Its totient is φ = 52275000.

The previous prime is 130688749. The next prime is 130688759. The reversal of 130688750 is 57886031.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130688759) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51026 + ... + 53525.

Almost surely, 2^130688750 is an apocalyptic number.

130688750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130688750 is a deficient number, since it is larger than the sum of its proper divisors (114276586).

130688750 is an equidigital number, since it uses as much as digits as its factorization.

130688750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104573 (or 104558 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 130688750 is about 11431.9180367951. The cubic root of 130688750 is about 507.4727593425.

The spelling of 130688750 in words is "one hundred thirty million, six hundred eighty-eight thousand, seven hundred fifty".