130736381 has 2 divisors, whose sum is σ = 130736382. Its totient is φ = 130736380.

The previous prime is 130736369. The next prime is 130736387. The reversal of 130736381 is 183637031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130736356 + 25 = 11434^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 130736381 - 2¹⁰ = 130735357 is a prime.

It is a super-2 number, since 2×130736381² = 34184002633954322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130736387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65368190 + 65368191.

It is an arithmetic number, because the mean of its divisors is an integer number (65368191).

Almost surely, 2^130736381 is an apocalyptic number.

It is an amenable number.

130736381 is a deficient number, since it is larger than the sum of its proper divisors (1).

130736381 is an equidigital number, since it uses as much as digits as its factorization.

130736381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 130736381 is about 11434.0010932307. The cubic root of 130736381 is about 507.5344032588.

The spelling of 130736381 in words is "one hundred thirty million, seven hundred thirty-six thousand, three hundred eighty-one".