130305277 has 4 divisors (see below), whose sum is σ = 130328640. Its totient is φ = 130281916.

The previous prime is 130305271. The next prime is 130305283. The reversal of 130305277 is 772503031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (130305271) and next prime (130305283).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130305277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130305271) 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, 2124 + ... + 16282.

It is an arithmetic number, because the mean of its divisors is an integer number (32582160).

Almost surely, 2^130305277 is an apocalyptic number.

It is an amenable number.

130305277 is a deficient number, since it is larger than the sum of its proper divisors (23363).

130305277 is an equidigital number, since it uses as much as digits as its factorization.

130305277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23362.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 130305277 is about 11415.1336829667. The cubic root of 130305277 is about 506.9759230319.

The spelling of 130305277 in words is "one hundred thirty million, three hundred five thousand, two hundred seventy-seven".