130228877 has 2 divisors, whose sum is σ = 130228878. Its totient is φ = 130228876.

The previous prime is 130228867. The next prime is 130228913. The reversal of 130228877 is 778822031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130210921 + 17956 = 11411^2 + 134^2 .

It is a cyclic number.

It is not a de Polignac number, because 130228877 - 2⁸ = 130228621 is a prime.

It is a super-2 number, since 2×130228877² = 33919120809362258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130228877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130228817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65114438 + 65114439.

It is an arithmetic number, because the mean of its divisors is an integer number (65114439).

Almost surely, 2^130228877 is an apocalyptic number.

It is an amenable number.

130228877 is a deficient number, since it is larger than the sum of its proper divisors (1).

130228877 is an equidigital number, since it uses as much as digits as its factorization.

130228877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 130228877 is about 11411.7867575590. The cubic root of 130228877 is about 506.8768210518.

The spelling of 130228877 in words is "one hundred thirty million, two hundred twenty-eight thousand, eight hundred seventy-seven".