130640766 has 16 divisors (see below), whose sum is σ = 270291600. Its totient is φ = 42045248.

The previous prime is 130640749. The next prime is 130640831. The reversal of 130640766 is 667046031.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375231 + ... + 375578.

It is an arithmetic number, because the mean of its divisors is an integer number (16893225).

Almost surely, 2^130640766 is an apocalyptic number.

130640766 is an abundant number, since it is smaller than the sum of its proper divisors (139650834).

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

130640766 is a wasteful number, since it uses less digits than its factorization.

130640766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750843.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 130640766 is about 11429.8191586744. The cubic root of 130640766 is about 507.4106434279.

Adding to 130640766 its reverse (667046031), we get a palindrome (797686797).

The spelling of 130640766 in words is "one hundred thirty million, six hundred forty thousand, seven hundred sixty-six".