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130023139 is a prime number
BaseRepresentation
bin1111011111111…
…11111011100011
3100001122212012211
413233333323203
5231241220024
620522502551
73136115131
oct757777343
9301585184
10130023139
1167438344
1237664a57
1320c2618c
14133a8751
15b635594
hex7bffee3

130023139 has 2 divisors, whose sum is σ = 130023140. Its totient is φ = 130023138.

The previous prime is 130023121. The next prime is 130023169. The reversal of 130023139 is 931320031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130023139 - 25 = 130023107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130023119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65011569 + 65011570.

It is an arithmetic number, because the mean of its divisors is an integer number (65011570).

Almost surely, 2130023139 is an apocalyptic number.

130023139 is a deficient number, since it is larger than the sum of its proper divisors (1).

130023139 is an equidigital number, since it uses as much as digits as its factorization.

130023139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 130023139 is about 11402.7689181181. The cubic root of 130023139 is about 506.6097558904.

The spelling of 130023139 in words is "one hundred thirty million, twenty-three thousand, one hundred thirty-nine".