130839878381 has 2 divisors, whose sum is σ = 130839878382. Its totient is φ = 130839878380.

The previous prime is 130839878369. The next prime is 130839878423. The reversal of 130839878381 is 183878938031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90462592900 + 40377285481 = 300770^2 + 200941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130839878381 is a prime.

It is a super-2 number, since 2×130839878381² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130839878381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130839878321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65419939190 + 65419939191.

It is an arithmetic number, because the mean of its divisors is an integer number (65419939191).

Almost surely, 2^130839878381 is an apocalyptic number.

It is an amenable number.

130839878381 is a deficient number, since it is larger than the sum of its proper divisors (1).

130839878381 is an equidigital number, since it uses as much as digits as its factorization.

130839878381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 130839878381 in words is "one hundred thirty billion, eight hundred thirty-nine million, eight hundred seventy-eight thousand, three hundred eighty-one".