130826819 has 2 divisors, whose sum is σ = 130826820. Its totient is φ = 130826818.

The previous prime is 130826809. The next prime is 130826827. The reversal of 130826819 is 918628031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130826819 is a prime.

It is a super-3 number, since 3×130826819³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130826809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65413409 + 65413410.

It is an arithmetic number, because the mean of its divisors is an integer number (65413410).

Almost surely, 2^130826819 is an apocalyptic number.

130826819 is a deficient number, since it is larger than the sum of its proper divisors (1).

130826819 is an equidigital number, since it uses as much as digits as its factorization.

130826819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 130826819 is about 11437.9551931278. The cubic root of 130826819 is about 507.6514066924.

The spelling of 130826819 in words is "one hundred thirty million, eight hundred twenty-six thousand, eight hundred nineteen".