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130136191 is a prime number
BaseRepresentation
bin1111100000110…
…11100001111111
3100001212121021221
413300123201333
5231303324231
620525134211
73140065543
oct760334177
9301777257
10130136191
1167505279
12376ba367
1320c65783
14133d7a23
15b658d11
hex7c1b87f

130136191 has 2 divisors, whose sum is σ = 130136192. Its totient is φ = 130136190.

The previous prime is 130136183. The next prime is 130136219. The reversal of 130136191 is 191631031.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (191631031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130136191 - 23 = 130136183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130136101) 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, 65068095 + 65068096.

It is an arithmetic number, because the mean of its divisors is an integer number (65068096).

Almost surely, 2130136191 is an apocalyptic number.

130136191 is a deficient number, since it is larger than the sum of its proper divisors (1).

130136191 is an equidigital number, since it uses as much as digits as its factorization.

130136191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 130136191 is about 11407.7250580473. The cubic root of 130136191 is about 506.7565416993.

The spelling of 130136191 in words is "one hundred thirty million, one hundred thirty-six thousand, one hundred ninety-one".