130787077 has 2 divisors, whose sum is σ = 130787078. Its totient is φ = 130787076.

The previous prime is 130787057. The next prime is 130787081. The reversal of 130787077 is 770787031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114254721 + 16532356 = 10689^2 + 4066^2 .

It is a cyclic number.

It is not a de Polignac number, because 130787077 - 2²³ = 122398469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130787017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65393538 + 65393539.

It is an arithmetic number, because the mean of its divisors is an integer number (65393539).

Almost surely, 2^130787077 is an apocalyptic number.

It is an amenable number.

130787077 is a deficient number, since it is larger than the sum of its proper divisors (1).

130787077 is an equidigital number, since it uses as much as digits as its factorization.

130787077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57624, while the sum is 40.

The square root of 130787077 is about 11436.2177751213. The cubic root of 130787077 is about 507.5999974436.

The spelling of 130787077 in words is "one hundred thirty million, seven hundred eighty-seven thousand, seventy-seven".