130905767 has 4 divisors (see below), whose sum is σ = 131226240. Its totient is φ = 130585296.

The previous prime is 130905757. The next prime is 130905769. The reversal of 130905767 is 767509031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130905767 - 2⁴ = 130905751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130905767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130905769) 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, 159623 + ... + 160440.

It is an arithmetic number, because the mean of its divisors is an integer number (32806560).

Almost surely, 2^130905767 is an apocalyptic number.

130905767 is a deficient number, since it is larger than the sum of its proper divisors (320473).

130905767 is an equidigital number, since it uses as much as digits as its factorization.

130905767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320472.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 130905767 is about 11441.4058139723. The cubic root of 130905767 is about 507.7535009585.

The spelling of 130905767 in words is "one hundred thirty million, nine hundred five thousand, seven hundred sixty-seven".