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130139137 is a prime number
BaseRepresentation
bin1111100000111…
…00010000000001
3100001212202100001
413300130100001
5231303423022
620525200001
73140110252
oct760342001
9301782301
10130139137
1167507507
1237700001
1320c66c0b
14133d8b29
15b659b27
hex7c1c401

130139137 has 2 divisors, whose sum is σ = 130139138. Its totient is φ = 130139136.

The previous prime is 130139117. The next prime is 130139143. The reversal of 130139137 is 731931031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115691536 + 14447601 = 10756^2 + 3801^2 .

It is a cyclic number.

It is not a de Polignac number, because 130139137 - 223 = 121750529 is a prime.

It is not a weakly prime, because it can be changed into another prime (130139117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65069568 + 65069569.

It is an arithmetic number, because the mean of its divisors is an integer number (65069569).

Almost surely, 2130139137 is an apocalyptic number.

It is an amenable number.

130139137 is a deficient number, since it is larger than the sum of its proper divisors (1).

130139137 is an equidigital number, since it uses as much as digits as its factorization.

130139137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 130139137 is about 11407.8541803443. The cubic root of 130139137 is about 506.7603656254.

The spelling of 130139137 in words is "one hundred thirty million, one hundred thirty-nine thousand, one hundred thirty-seven".