130234777 has 2 divisors, whose sum is σ = 130234778. Its totient is φ = 130234776.

The previous prime is 130234757. The next prime is 130234781. The reversal of 130234777 is 777432031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122677776 + 7557001 = 11076^2 + 2749^2 .

It is an emirp because it is prime and its reverse (777432031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130234777 - 2⁷ = 130234649 is a prime.

It is a super-2 number, since 2×130234777² = 33922194280479458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130234747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65117388 + 65117389.

It is an arithmetic number, because the mean of its divisors is an integer number (65117389).

Almost surely, 2^130234777 is an apocalyptic number.

It is an amenable number.

130234777 is a deficient number, since it is larger than the sum of its proper divisors (1).

130234777 is an equidigital number, since it uses as much as digits as its factorization.

130234777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 130234777 is about 11412.0452592863. The cubic root of 130234777 is about 506.8844755960.

The spelling of 130234777 in words is "one hundred thirty million, two hundred thirty-four thousand, seven hundred seventy-seven".