130688740 has 48 divisors (see below), whose sum is σ = 337784832. Its totient is φ = 41360256.

The previous prime is 130688713. The next prime is 130688749. The reversal of 130688740 is 47886031.

It is a happy number.

It is a super-3 number, since 3×130688740³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130688740.

It is not an unprimeable number, because it can be changed into a prime (130688749) 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, 34084 + ... + 37723.

It is an arithmetic number, because the mean of its divisors is an integer number (7037184).

Almost surely, 2^130688740 is an apocalyptic number.

130688740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130688740 is an abundant number, since it is smaller than the sum of its proper divisors (207096092).

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

130688740 is a wasteful number, since it uses less digits than its factorization.

130688740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71836 (or 71834 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 130688740 is about 11431.9175994231. The cubic root of 130688740 is about 507.4727463990.

The spelling of 130688740 in words is "one hundred thirty million, six hundred eighty-eight thousand, seven hundred forty".